{"id":165251,"date":"2026-02-19T10:00:00","date_gmt":"2026-02-19T03:00:00","guid":{"rendered":"https:\/\/phongvu.vn\/cong-nghe\/?p=165251"},"modified":"2026-02-06T14:11:13","modified_gmt":"2026-02-06T07:11:13","slug":"cach-nen-file-giam-dung-luong-hieu-qua","status":"publish","type":"post","link":"https:\/\/phongvu.vn\/cong-nghe\/cach-nen-file-giam-dung-luong-hieu-qua\/","title":{"rendered":"C\u00e1ch n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 khi in \u1ea5n v\u00e0 g\u1eedi t\u00e0i li\u1ec7u"},"content":{"rendered":"\n<p>N\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng l\u00e0 k\u1ef9 thu\u1eadt gi\u00fap gi\u1ea3m dung l\u01b0\u1ee3ng t\u1eadp tin m\u00e0 v\u1eabn gi\u1eef nguy\u00ean ch\u1ea5t l\u01b0\u1ee3ng n\u1ed9i dung, r\u1ea5t c\u1ea7n thi\u1ebft trong vi\u1ec7c ti\u1ebft ki\u1ec7m kh\u00f4ng gian l\u01b0u tr\u1eef v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u. B\u00e0i vi\u1ebft n\u00e0y<a data-form-recovery-attached=\"true\" href=\"https:\/\/phongvu.vn\/cong-nghe\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Phong V\u0169 Tech News<\/a> s\u1ebd chia s\u1ebb nh\u1eefng c\u00e1ch n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 khi in \u1ea5n v\u00e0 g\u1eedi t\u00e0i li\u1ec7u v\u1edbi c\u00e1c \u0111\u1ecbnh d\u1ea1ng nh\u01b0 PDF, RAR, ZIP, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng g\u1eedi v\u00e0 l\u01b0u tr\u1eef t\u00e0i li\u1ec7u m\u00e0 kh\u00f4ng lo t\u1ed1n nhi\u1ec1u dung l\u01b0\u1ee3ng.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_55 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >M\u1ee5c l\u1ee5c<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\" role=\"button\"><label for=\"item-6a273aef9ec7f\" ><span class=\"\"><span style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input aria-label=\"Toggle\" aria-label=\"item-6a273aef9ec7f\"  type=\"checkbox\" id=\"item-6a273aef9ec7f\"><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-nen-file-giam-dung-luong-hieu-qua\/#I_Nhung_dinh_dang_file_pho_bien_hien_nay\" title=\"I. Nh\u1eefng \u0111\u1ecbnh d\u1ea1ng file ph\u1ed5 bi\u1ebfn hi\u1ec7n nay\">I. Nh\u1eefng \u0111\u1ecbnh d\u1ea1ng file ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-nen-file-giam-dung-luong-hieu-qua\/#II_Cach_nen_file_giam_dung_luong_bang_WinRAR_pho_bien_nhat\" title=\"II. C\u00e1ch n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng b\u1eb1ng WinRAR (ph\u1ed5 bi\u1ebfn nh\u1ea5t)\">II. C\u00e1ch n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng b\u1eb1ng WinRAR (ph\u1ed5 bi\u1ebfn nh\u1ea5t)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-nen-file-giam-dung-luong-hieu-qua\/#III_Cach_nen_file_PDF_giam_dung_luong\" title=\"III. C\u00e1ch n\u00e9n file PDF gi\u1ea3m dung l\u01b0\u1ee3ng\">III. C\u00e1ch n\u00e9n file PDF gi\u1ea3m dung l\u01b0\u1ee3ng<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-nen-file-giam-dung-luong-hieu-qua\/#IV_Cach_nen_file_RARZIP\" title=\"IV. C\u00e1ch n\u00e9n file RAR\/ZIP\">IV. C\u00e1ch n\u00e9n file RAR\/ZIP<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-nen-file-giam-dung-luong-hieu-qua\/#V_Meo_nen_file_giam_dung_luong_hieu_qua\" title=\"V. M\u1eb9o n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3\">V. M\u1eb9o n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-nen-file-giam-dung-luong-hieu-qua\/#VI_Tong_ket\" title=\"VI. T\u1ed5ng k\u1ebft\">VI. T\u1ed5ng k\u1ebft<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"nhng-nh-dng-file-ph-bin-hin-nay\"><span class=\"ez-toc-section\" id=\"I_Nhung_dinh_dang_file_pho_bien_hien_nay\"><\/span><strong>I. Nh\u1eefng \u0111\u1ecbnh d\u1ea1ng file ph\u1ed5 bi\u1ebfn hi\u1ec7n nay<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Trong th\u1ef1c t\u1ebf g\u1eedi t\u00e0i li\u1ec7u v\u00e0 in \u1ea5n, b\u1ea1n s\u1ebd g\u1eb7p hai nh\u00f3m \u0111\u1ecbnh d\u1ea1ng:&nbsp;\u0111\u1ecbnh d\u1ea1ng n\u1ed9i dung&nbsp;v\u00e0&nbsp;\u0111\u1ecbnh d\u1ea1ng n\u00e9n\/\u0111\u00f3ng g\u00f3i. Nh\u00f3m n\u1ed9i dung g\u1ed3m PDF, DOC\/DOCX, XLS\/XLSX, PPT\/PPTX, JPG\/PNG\/TIFF\u2026 nh\u00f3m n\u00e9n\/\u0111\u00f3ng g\u00f3i g\u1ed3m ZIP v\u00e0 RAR (k\u00e8m RAR5). ZIP ph\u1ed5 bi\u1ebfn v\u00ec h\u1ea7u nh\u01b0 m\u00e1y Windows c\u00f3 s\u1eb5n t\u00ednh n\u0103ng t\u1ea1o\/gi\u1ea3i n\u00e9n, n\u00ean d\u1ec5 t\u01b0\u01a1ng th\u00edch khi g\u1eedi cho ng\u01b0\u1eddi kh\u00e1c.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua.jpg\" alt=\" Nh\u00f3m n\u1ed9i dung g\u1ed3m PDF, DOC\/DOCX, XLS\/XLSX, PPT\/PPTX, JPG\/PNG\/TIFF\u2026nh\u00f3m n\u00e9n\/\u0111\u00f3ng g\u00f3i g\u1ed3m ZIP v\u00e0 RAR (k\u00e8m RAR5)\" class=\"wp-image-165262\" width=\"1068\" height=\"667\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-1344x840.jpg 1344w\" sizes=\"(max-width: 1068px) 100vw, 1068px\" title=\"\"><figcaption class=\"wp-element-caption\"> Nh\u00f3m n\u1ed9i dung g\u1ed3m PDF, DOC\/DOCX, XLS\/XLSX, PPT\/PPTX, JPG\/PNG\/TIFF\u2026nh\u00f3m n\u00e9n\/\u0111\u00f3ng g\u00f3i g\u1ed3m ZIP v\u00e0 RAR (k\u00e8m RAR5)<\/figcaption><\/figure>\n\n\n\n<p><strong>\u0110i\u1ec3m quan tr\u1ecdng: <\/strong>kh\u00f4ng ph\u1ea3i file n\u00e0o n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng c\u0169ng gi\u1ea3m nhi\u1ec1u. <\/p>\n\n\n\n<p><strong>V\u00ed d\u1ee5:<\/strong> H\u00ecnh JPG v\u1ed1n \u0111\u00e3 l\u00e0 \u0111\u1ecbnh d\u1ea1ng n\u00e9n (lossy) n\u00ean khi \u201cb\u1ecdc\u201d th\u00eam ZIP\/RAR th\u01b0\u1eddng gi\u1ea3m r\u1ea5t \u00edt; ng\u01b0\u1ee3c l\u1ea1i, t\u00e0i li\u1ec7u nhi\u1ec1u ch\u1eef, file scan ch\u01b0a t\u1ed1i \u01b0u ho\u1eb7c th\u01b0 m\u1ee5c ch\u1ee9a nhi\u1ec1u file t\u01b0\u01a1ng t\u1ef1 nhau th\u01b0\u1eddng n\u00e9n t\u1ed1t h\u01a1n. V\u00ec v\u1eady, tr\u01b0\u1edbc khi n\u00e9n h\u00e3y x\u00e1c \u0111\u1ecbnh b\u1ea1n \u0111ang c\u1ea7n \u201cgi\u1ea3m dung l\u01b0\u1ee3ng\u201d theo h\u01b0\u1edbng n\u00e0o: t\u1ed1i \u01b0u n\u1ed9i dung (\u0111\u1eb7c bi\u1ec7t l\u00e0 PDF, \u1ea3nh) hay ch\u1ec9 \u0111\u00f3ng g\u00f3i \u0111\u1ec3 g\u1eedi (ZIP\/RAR).<\/p>\n\n\n\n<h2 id=\"cch-nn-file-gim-dung-lng-bng-winrar-ph-bin-nht\"><span class=\"ez-toc-section\" id=\"II_Cach_nen_file_giam_dung_luong_bang_WinRAR_pho_bien_nhat\"><\/span><strong>II. C\u00e1ch n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng b\u1eb1ng WinRAR (ph\u1ed5 bi\u1ebfn nh\u1ea5t)<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng b\u1eb1ng WinRAR gi\u00fap gi\u1ea3m t\u1ed1i \u0111a dung l\u01b0\u1ee3ng (Best) b\u1eb1ng c\u00e1ch&nbsp;chu\u1ed9t ph\u1ea3i v\u00e0o t\u1ec7p, ch\u1ecdn&nbsp;Add to archive\u2026, t\u1ea1i&nbsp;Compression method&nbsp;ch\u1ecdn&nbsp;Best&nbsp;v\u00e0 thi\u1ebft l\u1eadp&nbsp;Archive format&nbsp;l\u00e0 RAR. \u0110\u1ecbnh d\u1ea1ng RAR k\u1ebft h\u1ee3p v\u1edbi ph\u01b0\u01a1ng ph\u00e1p n\u00e0y t\u1ed1i \u01b0u h\u00f3a kh\u00f4ng gian l\u01b0u tr\u1eef v\u00e0 d\u1ec5 chia s\u1ebb, \u0111\u1eb7c bi\u1ec7t v\u1edbi file t\u00e0i li\u1ec7u.&nbsp;<\/p>\n\n\n\n<p><strong>C\u00e1c b\u01b0\u1edbc chi ti\u1ebft:<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>B\u01b0\u1edbc 1:<\/strong>&nbsp;Chu\u1ed9t ph\u1ea3i v\u00e0o file\/th\u01b0 m\u1ee5c c\u1ea7n n\u00e9n, ch\u1ecdn&nbsp;<strong>Add to archive&#8230;<\/strong>.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2.jpg\" alt=\"Chu\u1ed9t ph\u1ea3i v\u00e0o file\/th\u01b0 m\u1ee5c c\u1ea7n n\u00e9n, ch\u1ecdn\u00a0Add to archive\u2026.\" class=\"wp-image-165263\" width=\"1068\" height=\"667\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-2-1344x840.jpg 1344w\" sizes=\"(max-width: 1068px) 100vw, 1068px\" title=\"\"><figcaption class=\"wp-element-caption\">Chu\u1ed9t ph\u1ea3i v\u00e0o file\/th\u01b0 m\u1ee5c c\u1ea7n n\u00e9n, ch\u1ecdn&nbsp;Add to archive\u2026.<\/figcaption><\/figure>\n\n\n\n<ul>\n<li><strong>B\u01b0\u1edbc 2:<\/strong>&nbsp;Trong tab General, ch\u1ecdn&nbsp;<strong>Archive format<\/strong>&nbsp;l\u00e0&nbsp;<strong>RAR<\/strong>.<\/li>\n\n\n\n<li><strong>B\u01b0\u1edbc 3:<\/strong>&nbsp;T\u1ea1i m\u1ee5c&nbsp;<strong>Compression method<\/strong>, ch\u1ecdn&nbsp;<strong>Best<\/strong>&nbsp;(t\u1ed1t nh\u1ea5t) \u0111\u1ec3 c\u00f3 dung l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3.jpg\" alt=\"T\u1ea1i m\u1ee5c\u00a0Compression method, ch\u1ecdn\u00a0Best\u00a0(t\u1ed1t nh\u1ea5t) \u0111\u1ec3 c\u00f3 dung l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t.\" class=\"wp-image-165264\" width=\"1071\" height=\"669\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-3-1344x840.jpg 1344w\" sizes=\"(max-width: 1071px) 100vw, 1071px\" title=\"\"><figcaption class=\"wp-element-caption\">T\u1ea1i m\u1ee5c&nbsp;Compression method, ch\u1ecdn&nbsp;Best&nbsp;(t\u1ed1t nh\u1ea5t) \u0111\u1ec3 c\u00f3 dung l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t.<\/figcaption><\/figure>\n\n\n\n<ul>\n<li><strong>B\u01b0\u1edbc 4:<\/strong>&nbsp;(T\u00f9y ch\u1ecdn) Ch\u1ecdn&nbsp;<strong>Create Solid Archive<\/strong>&nbsp;\u0111\u1ec3 t\u0103ng hi\u1ec7u qu\u1ea3 n\u00e9n cho nh\u00f3m file gi\u1ed1ng nhau.<\/li>\n\n\n\n<li><strong>B\u01b0\u1edbc 5:<\/strong>&nbsp;Nh\u1ea5n&nbsp;<strong>OK<\/strong>&nbsp;\u0111\u1ec3 b\u1eaft \u0111\u1ea7u.&nbsp;<\/li>\n<\/ul>\n\n\n\n<h2 id=\"cch-nn-file-pdf-gim-dung-lng\"><span class=\"ez-toc-section\" id=\"III_Cach_nen_file_PDF_giam_dung_luong\"><\/span><strong>III. C\u00e1ch n\u00e9n file PDF gi\u1ea3m dung l\u01b0\u1ee3ng<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u1ebfu b\u1ea1n c\u1ea7n n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng PDF nhanh \u0111\u1ec3 g\u1eedi email, n\u1ed9p h\u1ed3 s\u01a1 ho\u1eb7c chuy\u1ec3n cho nh\u00e0 in, c\u00e1ch \u0111\u01a1n gi\u1ea3n l\u00e0 d\u00f9ng c\u00f4ng c\u1ee5 n\u00e9n PDF online c\u1ee7a Adobe t\u1ea1i:&nbsp;<a data-form-recovery-attached=\"true\" href=\"https:\/\/www.adobe.com\/au\/acrobat\/online\/compress-pdf.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\">https:\/\/www.adobe.com\/au\/acrobat\/online\/compress-pdf.html<\/a>. C\u00f4ng c\u1ee5 n\u00e0y ch\u1ea1y tr\u1ef1c ti\u1ebfp tr\u00ean tr\u00ecnh duy\u1ec7t (Chrome\/Edge\/Safari\u2026), ph\u00f9 h\u1ee3p khi b\u1ea1n kh\u00f4ng mu\u1ed1n c\u00e0i th\u00eam ph\u1ea7n m\u1ec1m m\u00e0 v\u1eabn mu\u1ed1n gi\u1eef ch\u1ea5t l\u01b0\u1ee3ng t\u00e0i li\u1ec7u \u1edf m\u1ee9c t\u1ed1t.<a data-form-recovery-attached=\"true\" href=\"https:\/\/www.adobe.com\/au\/acrobat\/online\/compress-pdf.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><\/a>\u200b<\/p>\n\n\n\n<p><strong>C\u00e1ch th\u1ef1c hi\u1ec7n:<\/strong><\/p>\n\n\n\n<ul>\n<li><strong>B\u01b0\u1edbc 1:<\/strong> M\u1edf trang Adobe Acrobat Compress PDF v\u00e0 nh\u1ea5n n\u00fat&nbsp;<strong>Select a file<\/strong>&nbsp;ho\u1eb7c k\u00e9o-th\u1ea3 file PDF v\u00e0o v\u00f9ng th\u1ea3 file tr\u00ean trang.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4.jpg\" alt=\"M\u1edf trang Adobe Acrobat Compress PDF v\u00e0 nh\u1ea5n n\u00fat\u00a0Select a file\u00a0ho\u1eb7c k\u00e9o-th\u1ea3 file PDF v\u00e0o v\u00f9ng th\u1ea3 file tr\u00ean trang\" class=\"wp-image-165265\" width=\"1068\" height=\"667\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-4-1344x840.jpg 1344w\" sizes=\"(max-width: 1068px) 100vw, 1068px\" title=\"\"><figcaption class=\"wp-element-caption\">M\u1edf trang Adobe Acrobat Compress PDF v\u00e0 nh\u1ea5n n\u00fat&nbsp;Select a file&nbsp;ho\u1eb7c k\u00e9o-th\u1ea3 file PDF v\u00e0o v\u00f9ng th\u1ea3 file tr\u00ean trang<\/figcaption><\/figure>\n\n\n\n<ul>\n<li><strong>B\u01b0\u1edbc 2:<\/strong> Ch\u1ecdn file PDF b\u1ea1n mu\u1ed1n l\u00e0m nh\u1eb9 dung l\u01b0\u1ee3ng \u0111\u1ec3 t\u1ea3i l\u00ean.<a href=\"https:\/\/www.adobe.com\/au\/acrobat\/online\/compress-pdf.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><\/a>\u200b<\/li>\n\n\n\n<li><strong>B\u01b0\u1edbc 3:<\/strong> Sau khi upload, Acrobat s\u1ebd cho b\u1ea1n 3 l\u1ef1a ch\u1ecdn \u0111\u1ec3 n\u00e9n file sau khi ch\u1ecdn Level n\u00e9n ti\u1ebfp \u0111\u1ebfn ch\u1ecdn Compress.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5.jpg\" alt=\"Acrobat s\u1ebd cho b\u1ea1n 3 l\u1ef1a ch\u1ecdn \u0111\u1ec3 n\u00e9n file sau khi ch\u1ecdn Level n\u00e9n ti\u1ebfp \u0111\u1ebfn ch\u1ecdn Compress\" class=\"wp-image-165266\" width=\"1068\" height=\"667\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-5-1344x840.jpg 1344w\" sizes=\"(max-width: 1068px) 100vw, 1068px\" title=\"\"><figcaption class=\"wp-element-caption\">Acrobat s\u1ebd cho b\u1ea1n 3 l\u1ef1a ch\u1ecdn \u0111\u1ec3 n\u00e9n file sau khi ch\u1ecdn Level n\u00e9n ti\u1ebfp \u0111\u1ebfn ch\u1ecdn Compress<\/figcaption><\/figure>\n\n\n\n<ul>\n<li><strong>B\u01b0\u1edbc 4:<\/strong> Sau khi n\u00e9n xong ch\u1ecdn T\u1ea3i file \u0111\u00e3 n\u00e9n v\u1ec1 m\u00e1y (Download) ho\u1eb7c \u0111\u0103ng nh\u1eadp \u0111\u1ec3 chia s\u1ebb tr\u1ef1c ti\u1ebfp.<a data-form-recovery-attached=\"true\" href=\"https:\/\/www.adobe.com\/au\/acrobat\/online\/compress-pdf.html\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><\/a>\u200b<\/li>\n<\/ul>\n\n\n\n<p><strong>Ch\u1ecdn m\u1ee9c n\u00e9n ph\u00f9 h\u1ee3p:<\/strong><\/p>\n\n\n\n<ul>\n<li>N\u1ebfu \u01b0u ti\u00ean dung l\u01b0\u1ee3ng nh\u1ecf nh\u1ea5t, ch\u1ecdn m\u1ee9c n\u00e9n cao (high compression) \u0111\u1ec3 gi\u1ea3m nhi\u1ec1u nh\u1ea5t.<a rel=\"noreferrer noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.adobe.com\/au\/acrobat\/online\/compress-pdf.html\"><\/a>\u200b<\/li>\n\n\n\n<li>N\u1ebfu \u01b0u ti\u00ean gi\u1eef ch\u1ea5t l\u01b0\u1ee3ng (\u0111\u1eb7c bi\u1ec7t PDF c\u00f3 h\u00ecnh \u1ea3nh\/chi ti\u1ebft nh\u1ecf \u0111\u1ec3 in), ch\u1ecdn medium ho\u1eb7c low \u0111\u1ec3 c\u00e2n b\u1eb1ng gi\u1eefa dung l\u01b0\u1ee3ng v\u00e0 \u0111\u1ed9 n\u00e9t.<a rel=\"noreferrer noopener nofollow\" target=\"_blank\" href=\"https:\/\/www.adobe.com\/au\/acrobat\/online\/compress-pdf.html\"><\/a><\/li>\n<\/ul>\n\n\n\n<h2 id=\"cch-nn-file-rarzip\"><span class=\"ez-toc-section\" id=\"IV_Cach_nen_file_RARZIP\"><\/span><strong>IV. C\u00e1ch n\u00e9n file RAR\/ZIP<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>N\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng file RAR\/ZIP gi\u00fap gi\u1ea3m dung l\u01b0\u1ee3ng v\u00e0 d\u1ec5 chia s\u1ebb. C\u00e1ch ph\u1ed5 bi\u1ebfn nh\u1ea5t tr\u00ean Windows l\u00e0 chu\u1ed9t ph\u1ea3i v\u00e0o file\/th\u01b0 m\u1ee5c, ch\u1ecdn &#8220;Add to archive&#8230;&#8221; (n\u1ebfu c\u00e0i WinRAR) \u0111\u1ec3 t\u1ea1o RAR\/ZIP, ho\u1eb7c ch\u1ecdn &#8220;Send to&#8221; -&gt; &#8220;Compressed (zipped) folder&#8221;. Tr\u00ean Mac, ch\u1ecdn file, chu\u1ed9t ph\u1ea3i v\u00e0 ch\u1ecdn &#8220;N\u00e9n&#8221; (Compress) \u0111\u1ec3 t\u1ea1o file ZIP.&nbsp;<\/p>\n\n\n\n<ul>\n<li>C\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m WinRAR.<\/li>\n\n\n\n<li>Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o t\u1ec7p\/th\u01b0 m\u1ee5c c\u1ea7n n\u00e9n, ch\u1ecdn&nbsp;<strong>&#8220;Add to archive&#8230;&#8221;<\/strong>&nbsp;(Th\u00eam v\u00e0o t\u1ec7p n\u00e9n).<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6.jpg\" alt=\"Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o t\u1ec7p\/th\u01b0 m\u1ee5c c\u1ea7n n\u00e9n, ch\u1ecdn &quot;Add to archive\u2026&quot;\" class=\"wp-image-165267\" width=\"1068\" height=\"667\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-6-1344x840.jpg 1344w\" sizes=\"(max-width: 1068px) 100vw, 1068px\" title=\"\"><figcaption class=\"wp-element-caption\">Nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0o t\u1ec7p\/th\u01b0 m\u1ee5c c\u1ea7n n\u00e9n, ch\u1ecdn &#8220;Add to archive\u2026&#8221;<\/figcaption><\/figure>\n\n\n\n<ul>\n<li>T\u1ea1i tab General, \u0111\u1eb7t t\u00ean t\u1ea1i&nbsp;<strong>Archive name<\/strong>.<\/li>\n\n\n\n<li>Ch\u1ecdn \u0111\u1ecbnh d\u1ea1ng:&nbsp;<strong>RAR<\/strong>&nbsp;ho\u1eb7c&nbsp;<strong>ZIP<\/strong>&nbsp;t\u1ea1i m\u1ee5c Archive format.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7.jpg\" alt=\"Ch\u1ecdn \u0111\u1ecbnh d\u1ea1ng: RAR ho\u1eb7c ZIP t\u1ea1i m\u1ee5c Archive format.\" class=\"wp-image-165268\" width=\"1068\" height=\"667\" srcset=\"https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7.jpg 1440w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7-300x188.jpg 300w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7-768x480.jpg 768w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7-150x94.jpg 150w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7-600x375.jpg 600w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7-696x435.jpg 696w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7-1392x870.jpg 1392w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7-1068x668.jpg 1068w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7-672x420.jpg 672w, https:\/\/phongvu.vn\/cong-nghe\/wp-content\/uploads\/2026\/02\/cach-nen-file-giam-dung-luong-hieu-qua-7-1344x840.jpg 1344w\" sizes=\"(max-width: 1068px) 100vw, 1068px\" title=\"\"><figcaption class=\"wp-element-caption\">Ch\u1ecdn \u0111\u1ecbnh d\u1ea1ng: RAR ho\u1eb7c ZIP t\u1ea1i m\u1ee5c Archive format.<\/figcaption><\/figure>\n\n\n\n<ul>\n<li>C\u00f3 th\u1ec3 ch\u1ecdn&nbsp;<strong>Set password<\/strong>&nbsp;\u0111\u1ec3 \u0111\u1eb7t m\u1eadt kh\u1ea9u (n\u1ebfu c\u1ea7n).<\/li>\n\n\n\n<li>Nh\u1ea5n&nbsp;<strong>OK<\/strong>&nbsp;\u0111\u1ec3 ho\u00e0n t\u1ea5t.<\/li>\n<\/ul>\n\n\n\n<h2 id=\"mo-nn-file-gim-dung-lng-hiu-qu\"><span class=\"ez-toc-section\" id=\"V_Meo_nen_file_giam_dung_luong_hieu_qua\"><\/span><strong>V. M\u1eb9o n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul>\n<li>Ch\u1ecdn \u0111\u00fang \u0111i\u1ec3m can thi\u1ec7p: PDF\/\u1ea3nh th\u00ec t\u1ed1i \u01b0u n\u1ed9i dung tr\u01b0\u1edbc, r\u1ed3i m\u1edbi ZIP\/RAR \u0111\u1ec3 \u0111\u00f3ng g\u00f3i, ch\u1ec9 ZIP\/RAR \u0111\u01a1n thu\u1ea7n th\u01b0\u1eddng kh\u00f4ng gi\u1ea3m nhi\u1ec1u v\u1edbi \u0111\u1ecbnh d\u1ea1ng \u0111\u00e3 n\u00e9n s\u1eb5n (JPG, video).<a data-form-recovery-attached=\"true\" href=\"https:\/\/kb.siue.edu\/148782\" target=\"_blank\" rel=\"noreferrer noopener nofollow\"><\/a>\u200b<\/li>\n\n\n\n<li>V\u1edbi WinRAR, d\u00f9ng \u201cNormal\u201d cho nhu c\u1ea7u th\u01b0\u1eddng ng\u00e0y v\u00e0 \u201cBest\u201d khi c\u1ea7n gi\u1ea3m t\u1ed1i \u0111a (\u0111\u1ed5i l\u1ea1i t\u1ed1n th\u1eddi gian).<a rel=\"noreferrer noopener nofollow\" target=\"_blank\" href=\"https:\/\/mast.queensu.ca\/~communications\/Papers\/lui-project01.pdf\"><\/a>\u200b<\/li>\n\n\n\n<li>Khi n\u00e9n th\u01b0 m\u1ee5c nhi\u1ec1u file nh\u1ecf t\u01b0\u01a1ng t\u1ef1 nhau (nhi\u1ec1u trang scan, b\u1ed9 t\u00e0i li\u1ec7u d\u1ef1 \u00e1n), b\u1eadt solid archive \u0111\u1ec3 t\u0103ng t\u1ec9 l\u1ec7 n\u00e9n, nh\u01b0ng nh\u1edb r\u1eb1ng s\u1eeda archive s\u1ebd ch\u1eadm h\u01a1n v\u00e0 n\u1ebfu archive h\u1ecfng c\u00f3 th\u1ec3 \u1ea3nh h\u01b0\u1edfng nhi\u1ec1u d\u1eef li\u1ec7u h\u01a1n.<a rel=\"noreferrer noopener nofollow\" target=\"_blank\" href=\"https:\/\/mast.queensu.ca\/~communications\/Papers\/lui-project01.pdf\"><\/a>\u200b<\/li>\n\n\n\n<li>\u0110\u1ec3 g\u1eedi cho ng\u01b0\u1eddi nh\u1eadn kh\u00f4ng r\u00e0nh k\u1ef9 thu\u1eadt, \u01b0u ti\u00ean ZIP v\u00ec Windows h\u1ed7 tr\u1ee3 t\u1ea1o nhanh qua \u201cSend to \u2192 Compressed (zipped) folder\u201d.<a rel=\"noreferrer noopener nofollow\" target=\"_blank\" href=\"https:\/\/support.microsoft.com\/en-us\/windows\/zip-and-unzip-files-8d28fa72-f2f9-712f-67df-f80cf89fd4e5\"><\/a>\u200b<\/li>\n\n\n\n<li>V\u1edbi t\u00e0i li\u1ec7u c\u1ea7n in v\u00e0 c\u1ea7n \u0111\u1ed9 ch\u00ednh x\u00e1c ch\u1eef, th\u1eadn tr\u1ecdng v\u1edbi c\u00e1c ph\u01b0\u01a1ng ph\u00e1p n\u00e9n \u1ea3nh d\u1ea1ng lossy trong PDF (\u0111\u1eb7c bi\u1ec7t c\u00e1c k\u1ef9 thu\u1eadt c\u00f3 th\u1ec3 g\u00e2y bi\u1ebfn d\u1ea1ng\/k\u00fd t\u1ef1), v\u00e0 lu\u00f4n ki\u1ec3m tra l\u1ea1i file sau khi n\u00e9n.<a rel=\"noreferrer noopener nofollow\" target=\"_blank\" href=\"https:\/\/library.slmath.org\/books\/Book46\/files\/08li.pdf\"><\/a>\u200b<\/li>\n<\/ul>\n\n\n\n<h2 id=\"tng-kt\"><span class=\"ez-toc-section\" id=\"VI_Tong_ket\"><\/span><strong>VI. T\u1ed5ng k\u1ebft<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Mu\u1ed1n n\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng hi\u1ec7u qu\u1ea3 khi in \u1ea5n v\u00e0 g\u1eedi t\u00e0i li\u1ec7u, h\u00e3y ph\u00e2n bi\u1ec7t \u201ct\u1ed1i \u01b0u n\u1ed9i dung\u201d (\u0111\u1eb7c bi\u1ec7t v\u1edbi PDF) v\u00e0 \u201c\u0111\u00f3ng g\u00f3i \u0111\u1ec3 g\u1eedi\u201d (ZIP\/RAR). ZIP ph\u00f9 h\u1ee3p cho t\u01b0\u01a1ng th\u00edch r\u1ed9ng, c\u00f2n WinRAR\/RAR h\u1eefu \u00edch khi c\u1ea7n nhi\u1ec1u t\u00f9y ch\u1ecdn nh\u01b0 solid archive v\u00e0 tinh ch\u1ec9nh dictionary \u0111\u1ec3 t\u0103ng t\u1ec9 l\u1ec7 n\u00e9n. V\u1edbi PDF n\u1eb7ng, c\u00e1c thao t\u00e1c lo\u1ea1i b\u1ecf d\u1eef li\u1ec7u th\u1eeba v\u00e0 n\u00e9n\/chu\u1ea9n h\u00f3a \u1ea3nh nh\u00fang th\u01b0\u1eddng mang l\u1ea1i hi\u1ec7u qu\u1ea3 l\u1edbn h\u01a1n nhi\u1ec1u so v\u1edbi ch\u1ec9 n\u00e9n b\u1eb1ng ZIP\/RAR. H\u00e3y theo d\u00f5i Phong V\u0169 Tech News \u0111\u1ec3 \u0111\u1ecdc c\u00e1c b\u00e0i vi\u1ebft h\u1eefu \u00edch kh\u00e1c.<\/p>\n\n\n\n<p>Tham kh\u1ea3o c\u00e1c s\u1ea3n ph\u1ea9m <a href=\"https:\/\/phongvu.vn\/c\/may-in\" target=\"_blank\" rel=\"noreferrer noopener\">m\u00e1y in <\/a>b\u00e1n ch\u1ea1y t\u1ea1i <a href=\"https:\/\/phongvu.vn\/cong-nghe\/wp-admin\/post.php\">Phong V\u0169<\/a><\/p>\n\n\n\n<div class=\"pv-products-card\"><div class=\"pv-products-title\"><div><\/div><\/div><div class=\"pv-products\" data-type=\"list\" data-key=\"product-area\" data-skus=\"1404531,1500941,1501692,231103612,231103614\"><\/div><\/div>\n\n\n\n<p><strong>B\u00e0i vi\u1ebft li\u00ean quan<\/strong><\/p>\n\n\n\n<ul>\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-tao-file-tren-may-tinh\/\" target=\"_blank\" rel=\"noreferrer noopener\">B\u1eadt m\u00ed 4 c\u00e1ch t\u1ea1o file tr\u00ean m\u00e1y t\u00ednh ch\u1ec9 trong 1 ph\u00fat<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-tao-file-tren-dien-thoai\/\" target=\"_blank\" rel=\"noreferrer noopener\">C\u00e1ch t\u1ea1o file tr\u00ean \u0111i\u1ec7n tho\u1ea1i iPhone v\u00e0 Android c\u1ef1c \u0111\u01a1n gi\u1ea3n<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/phongvu.vn\/cong-nghe\/cach-luu-file-word-tren-may-tinh-dien-thoai\/\" target=\"_blank\" rel=\"noreferrer noopener\">Chi ti\u1ebft c\u00e1ch l\u01b0u file Word tr\u00ean m\u00e1y t\u00ednh, \u0111i\u1ec7n tho\u1ea1i c\u1ef1c d\u1ec5<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>N\u00e9n file gi\u1ea3m dung l\u01b0\u1ee3ng l\u00e0 k\u1ef9 thu\u1eadt gi\u00fap gi\u1ea3m dung l\u01b0\u1ee3ng t\u1eadp tin m\u00e0 v\u1eabn gi\u1eef nguy\u00ean ch\u1ea5t l\u01b0\u1ee3ng n\u1ed9i dung, r\u1ea5t c\u1ea7n thi\u1ebft trong vi\u1ec7c ti\u1ebft ki\u1ec7m kh\u00f4ng gian l\u01b0u tr\u1eef v\u00e0 t\u0103ng t\u1ed1c \u0111\u1ed9 truy\u1ec1n t\u1ea3i d\u1eef li\u1ec7u. B\u00e0i vi\u1ebft n\u00e0y Phong V\u0169 Tech News s\u1ebd chia s\u1ebb nh\u1eefng c\u00e1ch n\u00e9n file [&hellip;]<\/p>\n","protected":false},"author":39,"featured_media":165437,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false},"categories":[24,1029],"tags":[],"_links":{"self":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/165251"}],"collection":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/users\/39"}],"replies":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/comments?post=165251"}],"version-history":[{"count":5,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/165251\/revisions"}],"predecessor-version":[{"id":165435,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/posts\/165251\/revisions\/165435"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media\/165437"}],"wp:attachment":[{"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/media?parent=165251"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/categories?post=165251"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/phongvu.vn\/cong-nghe\/wp-json\/wp\/v2\/tags?post=165251"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}