{"id":3604,"date":"2025-11-05T18:44:21","date_gmt":"2025-11-05T11:44:21","guid":{"rendered":"https:\/\/autofillform.com\/blog\/nhung-cach-xu-ly-quen-mat-khau-file-excel-cuc-ky-don-gian\/"},"modified":"2025-11-05T18:44:21","modified_gmt":"2025-11-05T11:44:21","slug":"nhung-cach-xu-ly-quen-mat-khau-file-excel-cuc-ky-don-gian","status":"publish","type":"post","link":"https:\/\/autofillform.com\/blog\/nhung-cach-xu-ly-quen-mat-khau-file-excel-cuc-ky-don-gian\/","title":{"rendered":"Nh\u1eefng c\u00e1ch x\u1eed l\u00fd qu\u00ean m\u1eadt kh\u1ea9u file Excel c\u1ef1c k\u1ef3 \u0111\u01a1n gi\u1ea3n"},"content":{"rendered":"<div class=\"content_article\" id=\"clicklinka\">\n<div id=\"bxindexknh\">\u00a0<\/div>\n<p>Qu\u00ean m\u1eadt kh\u1ea9u file Excel l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1 ph\u1ed5 bi\u1ebfn v\u00e0 c\u00f3 th\u1ec3 g\u00e2y phi\u1ec1n to\u00e1i. Tuy nhi\u00ean, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng kh\u00f4i ph\u1ee5c quy\u1ec1n truy c\u1eadp v\u00e0o file c\u1ee7a m\u00ecnh nh\u1edd v\u00e0o m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n 3 c\u00e1ch x\u1eed l\u00fd khi qu\u00ean m\u1eadt kh\u1ea9u file Excel k\u00e8m m\u1eb9o t\u1ea1o m\u1eadt kh\u1ea9u file Excel d\u1ec5 nh\u1edb.<\/p>\n<p><img decoding=\"async\" alt=\"Sheet l\u00e0m vi\u1ec7c c\u1ee7a ph\u1ea7n m\u1ec1m Excel\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-1.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-1\"><\/p>\n<p><em>C\u00e1ch x\u1eed l\u00fd khi qu\u00ean m\u1eadt kh\u1ea9u file Excel<\/em><\/p>\n<div class=\"titletab\" id=\"titletab1\">\n<h2>1. Nh\u1eefng c\u00e1ch x\u1eed l\u00fd qu\u00ean m\u1eadt kh\u1ea9u file Excel<\/h2>\n<\/div>\n<div class=\"titletab\" id=\"titletab1_1\">\n<h3>1.1 C\u00e1ch m\u1edf file Excel khi qu\u00ean m\u1eadt kh\u1ea9u b\u1eb1ng \u0111o\u1ea1n script<\/h3>\n<\/div>\n<p><strong>B\u01b0\u1edbc 1: <\/strong>M\u1edf file Excel c\u00f3 ch\u1ee9a Sheet c\u1ea7n m\u1edf m\u1eadt kh\u1ea9u. Sau \u0111\u00f3, nh\u1ea5n t\u1ed5 h\u1ee3p ph\u00edm<strong> Alt + F11 <\/strong>\u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 <strong>Microsoft Visual Basic for Applications<\/strong>.<\/p>\n<p><img decoding=\"async\" alt=\"Giao di\u1ec7n Microsoft Visual Basic for Applications\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-2.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-2\"><\/p>\n<p><em>Nh\u1ea5n Alt + F11 \u0111\u1ec3 m\u1edf Microsoft Visual Basic for Applications<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 2: <\/strong>Ti\u1ebfp theo, trong c\u1eeda s\u1ed5 Visual Basic, ch\u1ecdn<strong> Insert <\/strong>t\u1eeb menu tr\u00ean v\u00e0 ch\u1ecdn <strong>Module <\/strong>\u0111\u1ec3 m\u1edf khung m\u00e3 l\u1ec7nh.<\/p>\n<p><img decoding=\"async\" alt=\"Ch\u1ecdn Insert t\u1eeb menu v\u00e0 ch\u1ecdn Module\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-3.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-3\"><\/p>\n<p><em>Ch\u1ecdn Insert t\u1eeb menu v\u00e0 ch\u1ecdn Module \u0111\u1ec3 m\u1edf khung m\u00e3 l\u1ec7nh<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 3: <\/strong>D\u00e1n \u0111o\u1ea1n m\u00e3 d\u01b0\u1edbi \u0111\u00e2y v\u00e0o khung m\u00e3 b\u00ean ph\u1ea3i c\u1eeda s\u1ed5.<\/p>\n<div class=\"prompt-container\">\n<div class=\"prompt-header\"><span class=\"prompt-title\">Code<\/span><\/p>\n<div class=\"tooltip-wrapper\" data-tooltip=\"Sao ch\u00e9p m\u00e3\">\n<div class=\"copy-button\" data-copy-target=\"#prompt-block-1\" role=\"button\">\u00a0<\/div>\n<\/div>\n<\/div>\n<div class=\"prompt-text\">\n<pre id=\"prompt-block-1\">Sub PasswordBreaker()\nIf ActiveSheet.ProtectContents = False Then\n\u00a0 \u00a0 MsgBox \"Sheet '\" &amp; ActiveSheet.Name &amp; \"' is unprotected!\", vbInformation\nElse\n\u00a0 \u00a0 If MsgBox(\"Sheet '\" &amp; ActiveSheet.Name &amp; \"' is protected, do you want to unprotect it?\", _\n\u00a0 \u00a0 vbYesNo + vbQuestion, \"Unprotect Active Sheet\") = vbNo Then Exit Sub\n\u00a0 \u00a0 Dim i As Integer, j As Integer, k As Integer\n\u00a0 \u00a0 Dim l As Integer, m As Integer, n As Integer\n\u00a0 \u00a0 Dim i1 As Integer, i2 As Integer, i3 As Integer\n\u00a0 \u00a0 Dim i4 As Integer, i5 As Integer, i6 As Integer\n\u00a0 \u00a0 On Error Resume Next\n\u00a0 \u00a0 For i = 65 To 66: For j = 65 To 66: For k = 65 To 66\n\u00a0 \u00a0 For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66\n\u00a0 \u00a0 For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66\n\u00a0 \u00a0 For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126\n\u00a0 \u00a0 \u00a0 \u00a0 ActiveSheet.Unprotect Chr(i) &amp; Chr(j) &amp; Chr(k) &amp; _\n\u00a0 \u00a0 \u00a0 \u00a0 Chr(l) &amp; Chr(m) &amp; Chr(i1) &amp; Chr(i2) &amp; Chr(i3) &amp; _\n\u00a0 \u00a0 \u00a0 \u00a0 Chr(i4) &amp; Chr(i5) &amp; Chr(i6) &amp; Chr(n)\n\u00a0 \u00a0 Next: Next: Next: Next: Next: Next\n\u00a0 \u00a0 Next: Next: Next: Next: Next: Next\n\u00a0 \u00a0 If ActiveSheet.ProtectContents = False Then MsgBox \"Sheet '\" &amp; ActiveSheet.Name &amp; \"' is unprotected!\", vbInformation\nEnd If\nEnd Sub<\/pre>\n<\/div>\n<\/div>\n<p><img decoding=\"async\" alt=\"\u0110o\u1ea1n m\u00e3 \u0111\u01b0\u1ee3c d\u00e1n v\u00e0o khung m\u00e3 b\u00ean ph\u1ea3i c\u1eeda s\u1ed5\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-4.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-4\"><\/p>\n<p><em>D\u00e1n \u0111o\u1ea1n m\u00e3 v\u00e0o khung m\u00e3 b\u00ean ph\u1ea3i c\u1eeda s\u1ed5<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 4:<\/strong> Quay l\u1ea1i c\u1eeda s\u1ed5 Excel, tr\u00ean thanh c\u00f4ng c\u1ee5, ch\u1ecdn<strong> View<\/strong> v\u00e0 ch\u1ecdn<strong> Macros<\/strong>.<\/p>\n<p><img decoding=\"async\" alt=\"Tr\u00ean thanh menu, ch\u1ecdn View v\u00e0 ch\u1ecdn Macros\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-5.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-5\"><\/p>\n<p><em>Quay l\u1ea1i c\u1eeda s\u1ed5 Excel, ch\u1ecdn View v\u00e0 ch\u1ecdn Macros<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 5: <\/strong>C\u1eeda s\u1ed5 Macro s\u1ebd xu\u1ea5t hi\u1ec7n. Ch\u1ecdn <strong>PasswordBreaker<\/strong> t\u1eeb danh s\u00e1ch v\u00e0 nh\u1ea5n <strong>Run<\/strong> \u0111\u1ec3 ch\u1ea1y \u0111o\u1ea1n m\u00e3 m\u1edf kh\u00f3a.<\/p>\n<p><img decoding=\"async\" alt=\"Ch\u1ecdn PasswordBreaker t\u1eeb danh s\u00e1ch v\u00e0 nh\u1ea5n Run\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-6.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-6\"><\/p>\n<p><em>Ch\u1ecdn PasswordBreaker t\u1eeb danh s\u00e1ch v\u00e0 nh\u1ea5n Run \u0111\u1ec3 ch\u1ea1y \u0111o\u1ea1n m\u00e3<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 6: <\/strong>Khi c\u00f3 th\u00f4ng b\u00e1o x\u00e1c nh\u1eadn m\u1edf kh\u00f3a xu\u1ea5t hi\u1ec7n, ch\u1ecdn <strong>Yes<\/strong> \u0111\u1ec3 ti\u1ebfp t\u1ee5c.<\/p>\n<p><img decoding=\"async\" alt=\"Th\u00f4ng b\u00e1o hi\u1ec3n th\u1ecb v\u00e0 nh\u1ea5n Yes\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-7.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-7\"><\/p>\n<p><em>Nh\u1ea5n ch\u1ecdn Yes \u0111\u1ec3 ti\u1ebfp t\u1ee5c<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 7:<\/strong> Sau khi m\u1eadt kh\u1ea9u \u0111\u01b0\u1ee3c m\u1edf th\u00e0nh c\u00f4ng, m\u1ed9t th\u00f4ng b\u00e1o s\u1ebd hi\u1ec3n th\u1ecb. Ch\u1ecdn<strong> OK <\/strong>\u0111\u1ec3 k\u1ebft th\u00fac. L\u00fac n\u00e0y, b\u1ea1n c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda Sheet nh\u01b0 b\u00ecnh th\u01b0\u1eddng.<\/p>\n<p><img decoding=\"async\" alt=\"Nh\u1ea5n OK \u0111\u1ec3 ho\u00e0n t\u1ea5t m\u1edf m\u1eadt kh\u1ea9u file\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-8.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-8\"><\/p>\n<p><em>M\u1eadt kh\u1ea9u \u0111\u01b0\u1ee3c m\u1edf th\u00e0nh c\u00f4ng, ch\u1ecdn OK \u0111\u1ec3 k\u1ebft th\u00fac<\/em><\/p>\n<p><strong>L\u01b0u \u00fd:<\/strong><\/p>\n<ul>\n<li>Sau khi m\u1edf kh\u00f3a th\u00e0nh c\u00f4ng, b\u1ea1n c\u00f3 th\u1ec3 l\u01b0u l\u1ea1i file d\u01b0\u1edbi d\u1ea1ng Save As ho\u1eb7c l\u01b0u sang file kh\u00e1c \u0111\u1ec3 b\u1ea3o to\u00e0n d\u1eef li\u1ec7u.<\/li>\n<li>L\u01b0u \u00fd r\u1eb1ng c\u00e1ch n\u00e0y ch\u1ec9 \u00e1p d\u1ee5ng khi m\u1eadt kh\u1ea9u b\u1ea3o v\u1ec7 \u1edf m\u1ee9c Sheet, kh\u00f4ng \u00e1p d\u1ee5ng cho vi\u1ec7c m\u1edf c\u00e1c file \u1edf ch\u1ebf \u0111\u1ed9 Protect Read Only. Trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y, b\u1ea1n c\u1ea7n b\u1ecf ch\u1ebf \u0111\u1ed9 Read Only tr\u01b0\u1edbc khi c\u00f3 th\u1ec3 ch\u1ec9nh s\u1eeda.<\/li>\n<\/ul>\n<div class=\"titletab\" id=\"titletab1_2\">\n<h3>1.2 Kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u file Excel \u0111\u00e3 qu\u00ean<\/h3>\n<\/div>\n<p><strong>B\u01b0\u1edbc 1:<\/strong> T\u1ea3i v\u00e0 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m iSumsoft Excel Password Refixer.<\/p>\n<p><strong>B\u01b0\u1edbc 2:<\/strong> M\u1edf ph\u1ea7n m\u1ec1m iSumsoft Excel Password Refixer. Trong giao di\u1ec7n ph\u1ea7n m\u1ec1m, ch\u1ecdn <strong>Open<\/strong>.<\/p>\n<p><img decoding=\"async\" alt=\"M\u1edf ph\u1ea7n m\u1ec1m iSumsoft Excel Password Refixer v\u00e0 ch\u1ecdn Open\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-9.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-9\"><\/p>\n<p><em>Trong giao di\u1ec7n ph\u1ea7n m\u1ec1m, ch\u1ecdn Open<\/em><\/p>\n<p>Sau \u0111\u00f3, t\u00ecm v\u00e0 ch\u1ecdn file Excel b\u1ea1n mu\u1ed1n kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u, r\u1ed3i nh\u1ea5n <strong>Open<\/strong>.<\/p>\n<p><img decoding=\"async\" alt=\"Ch\u1ecdn file Excel v\u00e0 nh\u1ea5n Open\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-10.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-10\"><\/p>\n<p><em>Ch\u1ecdn file Excel b\u1ea1n mu\u1ed1n kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u v\u00e0 nh\u1ea5n Open<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 3: <\/strong>Ch\u1ecdn ki\u1ec3u t\u1ea5n c\u00f4ng m\u1eadt kh\u1ea9u cho file Excel.<\/p>\n<ul>\n<li><strong>Normal:<\/strong> N\u1ebfu b\u1ea1n kh\u00f4ng nh\u1edb b\u1ea5t k\u1ef3 k\u00fd t\u1ef1 n\u00e0o c\u1ee7a m\u1eadt kh\u1ea9u, ch\u1ecdn Normal \u0111\u1ec3 ph\u1ea7n m\u1ec1m th\u1eed t\u1ea5t c\u1ea3 c\u00e1c kh\u1ea3 n\u0103ng m\u1eadt kh\u1ea9u. B\u1ea1n c\u00f3 th\u1ec3 thi\u1ebft l\u1eadp \u0111\u1ed9 d\u00e0i m\u1eadt kh\u1ea9u \u0111\u1ec3 t\u0103ng t\u1ed1c qu\u00e1 tr\u00ecnh.<\/li>\n<\/ul>\n<p><img decoding=\"async\" alt=\"Ch\u1ecdn Normal v\u00e0 thi\u1ebft l\u1eadp \u0111\u1ed9 d\u00e0i m\u1eadt kh\u1ea9u\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-11.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-11\"><\/p>\n<p><em>Ch\u1ecdn Normal \u0111\u1ec3 ph\u1ea7n m\u1ec1m th\u1eed t\u1ea5t c\u1ea3 c\u00e1c kh\u1ea3 n\u0103ng m\u1eadt kh\u1ea9u<\/em><\/p>\n<ul>\n<li><strong>Mask: <\/strong>N\u1ebfu b\u1ea1n nh\u1edb m\u1ed9t s\u1ed1 k\u00fd t\u1ef1 c\u1ee7a m\u1eadt kh\u1ea9u, ch\u1ecdn Mask. Tr\u01b0\u1edbc ti\u00ean, thi\u1ebft l\u1eadp \u0111\u1ed9 d\u00e0i m\u1eadt kh\u1ea9u b\u1eb1ng c\u00e1ch ch\u1ecdn Normal, sau \u0111\u00f3 chuy\u1ec3n sang Mask v\u00e0 nh\u1eadp m\u1eadt kh\u1ea9u c\u00f2n l\u1ea1i, s\u1eed d\u1ee5ng d\u1ea5u <strong>&#8220;?&#8221;<\/strong> \u0111\u1ec3 thay th\u1ebf nh\u1eefng k\u00fd t\u1ef1 b\u1ea1n kh\u00f4ng nh\u1edb.<\/li>\n<\/ul>\n<p><img decoding=\"async\" alt=\"Ch\u1ecdn Mask v\u00e0 nh\u1eadp m\u1eadt kh\u1ea9u c\u00f2n l\u1ea1i m\u00e0 b\u1ea1n nh\u1edb\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-12.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-12\"><\/p>\n<p><em>N\u1ebfu b\u1ea1n nh\u1edb m\u1ed9t s\u1ed1 k\u00fd t\u1ef1 c\u1ee7a m\u1eadt kh\u1ea9u th\u00ec c\u00f3 th\u1ec3 ch\u1ecdn Mask<\/em><\/p>\n<ul>\n<li><strong>Dictionary: <\/strong>N\u1ebfu b\u1ea1n \u0111\u00e3 ghi ch\u00fa m\u1eadt kh\u1ea9u \u1edf \u0111\u00e2u \u0111\u00f3, t\u1ea1o m\u1ed9t t\u1eeb \u0111i\u1ec3n m\u1eadt kh\u1ea9u v\u00e0 ch\u1ecdn Dictionary \u0111\u1ec3 ph\u1ea7n m\u1ec1m s\u1eed d\u1ee5ng t\u1eeb \u0111i\u1ec3n \u0111\u00f3 nh\u1eb1m t\u00ecm l\u1ea1i m\u1eadt kh\u1ea9u.<\/li>\n<\/ul>\n<p><img decoding=\"async\" alt=\"Ch\u1ecdn Dictionary n\u1ebfu m\u1eadt kh\u1ea9u \u0111\u01b0\u1ee3c l\u01b0u \u1edf \u0111\u00e2u \u0111\u00f3\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-13.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-13\"><\/p>\n<p><em>Ch\u1ecdn Dictionary n\u1ebfu m\u1eadt kh\u1ea9u \u0111\u01b0\u1ee3c ghi ch\u00fa \u1edf \u0111\u00e2u \u0111\u00f3<\/em><\/p>\n<ul>\n<li><strong>Smart: <\/strong>N\u1ebfu m\u1eadt kh\u1ea9u c\u1ee7a b\u1ea1n ph\u1ee9c t\u1ea1p v\u00e0 kh\u00f4ng nh\u1edb g\u00ec, ch\u1ecdn <strong>Smart <\/strong>\u0111\u1ec3 ph\u1ea7n m\u1ec1m s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n th\u00f4ng minh \u0111\u1ec3 t\u00ecm m\u1eadt kh\u1ea9u.<\/li>\n<\/ul>\n<p><img decoding=\"async\" alt=\"Ch\u1ecdn Smart \u0111\u1ec3 ph\u1ea7n m\u1ec1m s\u1eed d\u1ee5ng c\u00e1c thu\u1eadt to\u00e1n th\u00f4ng minh \u0111\u1ec3 t\u00ecm m\u1eadt kh\u1ea9u\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-14.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-14\"><\/p>\n<p><em>N\u1ebfu m\u1eadt kh\u1ea9u ph\u1ee9c t\u1ea1p v\u00e0 b\u1ea1n kh\u00f4ng nh\u1edb g\u00ec v\u1ec1 m\u1eadt kh\u1ea9u th\u00ec ch\u1ecdn Smart<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 4: <\/strong>Nh\u1ea5n <strong>Start<\/strong> \u0111\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u.<\/p>\n<p><img decoding=\"async\" alt=\"Nh\u1ea5n Start \u0111\u1ec3 qu\u00e1 tr\u00ecnh kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u b\u1eaft \u0111\u1ea7u\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-15.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-15\"><\/p>\n<p><em>Nh\u1ea5n Start \u0111\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 5:<\/strong> Khi ph\u1ea7n m\u1ec1m kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u th\u00e0nh c\u00f4ng, m\u1eadt kh\u1ea9u s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh.<\/p>\n<p><img decoding=\"async\" alt=\"M\u1eadt kh\u1ea9u file Excel \u0111\u00e3 \u0111\u01b0\u1ee3c m\u1edf\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-16.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-16\"><\/p>\n<p><em>M\u1eadt kh\u1ea9u \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb tr\u00ean m\u00e0n h\u00ecnh<\/em><\/p>\n<p><strong>L\u01b0u \u00fd: <\/strong>Ph\u1ea7n m\u1ec1m iSumsoft Excel Password Refixer ch\u1ec9 m\u1edf kh\u00f3a mi\u1ec5n ph\u00ed c\u00e1c file Excel c\u00f3 m\u1eadt kh\u1ea9u t\u1eeb 3 k\u00fd t\u1ef1 tr\u1edf xu\u1ed1ng. N\u1ebfu m\u1eadt kh\u1ea9u d\u00e0i h\u01a1n 3 k\u00fd t\u1ef1, b\u1ea1n s\u1ebd c\u1ea7n mua b\u1ea3n quy\u1ec1n \u0111\u1ec3 ti\u1ebfp t\u1ee5c m\u1edf kh\u00f3a.<\/p>\n<div class=\"titletab\" id=\"titletab1_3\">\n<h3>1.3 M\u1edf file Excel b\u1eb1ng c\u00e1ch ph\u00e1 m\u1eadt kh\u1ea9u<\/h3>\n<\/div>\n<p><strong>B\u01b0\u1edbc 1: <\/strong>T\u1ea3i v\u00e0 c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m iSumsoft Excel Password Remover.<\/p>\n<p><strong>B\u01b0\u1edbc 2: <\/strong>M\u1edf ph\u1ea7n m\u1ec1m iSumsoft Excel Password Remover. Sau \u0111\u00f3, nh\u1ea5n <strong>Open<\/strong> \u0111\u1ec3 m\u1edf file Excel c\u1ea7n kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u.<\/p>\n<p><img decoding=\"async\" alt=\"M\u1edf ph\u1ea7n m\u1ec1m iSumsoft Excel Password Remover v\u00e0 nh\u1ea5n Open\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-17.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-17\"><\/p>\n<p><em>M\u1edf ph\u1ea7n m\u1ec1m iSumsoft Excel Password Remover v\u00e0 nh\u1ea5n Open<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 3: <\/strong>Ti\u1ebfp theo, t\u00ecm v\u00e0 ch\u1ecdn file Excel b\u1ea1n mu\u1ed1n kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u, r\u1ed3i nh\u1ea5n <strong>Open<\/strong>.<\/p>\n<p><img decoding=\"async\" alt=\"Ch\u1ecdn file Excel b\u1ea1n mu\u1ed1n kh\u00f4i ph\u1ee5c v\u00e0 nh\u1ea5n Open\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-18.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-18\"><\/p>\n<p><em>Ch\u1ecdn file Excel b\u1ea1n mu\u1ed1n kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u r\u1ed3i nh\u1ea5n Open<\/em><\/p>\n<p><strong>B\u01b0\u1edbc 4: <\/strong>Nh\u1ea5n <strong>Remove Password<\/strong> \u0111\u1ec3 b\u1eaft \u0111\u1ea7u qu\u00e1 tr\u00ecnh ph\u00e1 m\u1eadt kh\u1ea9u cho file Excel.<\/p>\n<p><img decoding=\"async\" alt=\"Nh\u1ea5n Remove Password \u0111\u1ec3 ph\u00e1 m\u1eadt kh\u1ea9u file Excel\" src=\"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/nhung-cach-xu-ly-quen-mat-khau-file-excel-19.jpg\" title=\"nhung-cach-xu-ly-quen-mat-khau-file-excel-19\"><\/p>\n<p><em>Nh\u1ea5n Remove Password \u0111\u1ec3 ph\u00e1 m\u1eadt kh\u1ea9u file Excel<\/em><\/p>\n<p><strong>L\u01b0u \u00fd:<\/strong> Ph\u1ea7n m\u1ec1m iSumsoft Excel Password Remover ch\u1ec9 h\u1ed7 tr\u1ee3 m\u1edf kh\u00f3a cho c\u00e1c file Excel c\u00f3 \u0111\u1ecbnh d\u1ea1ng .xls. N\u1ebfu file c\u1ee7a b\u1ea1n c\u00f3 \u0111\u1ecbnh d\u1ea1ng .xlsx, b\u1ea1n c\u1ea7n chuy\u1ec3n \u0111\u1ed5i sang .xls tr\u01b0\u1edbc khi s\u1eed d\u1ee5ng ph\u1ea7n m\u1ec1m.<\/p>\n<div class=\"infobox\"><strong>Xem th\u00eam: <\/strong>H\u01b0\u1edbng d\u1eabn c\u00e1ch kh\u00f3a c\u00f4ng th\u1ee9c trong Excel \u0111\u01a1n gi\u1ea3n, nhanh ch\u00f3ng<\/div>\n<div class=\"titletab\" id=\"titletab2\">\n<h2>2. G\u1ee3i \u00fd c\u00e1ch \u0111\u1eb7t m\u1eadt kh\u1ea9u file Excel d\u1ec5 nh\u1edb<\/h2>\n<\/div>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 m\u1ed9t s\u1ed1 g\u1ee3i \u00fd gi\u00fap b\u1ea1n t\u1ea1o m\u1eadt kh\u1ea9u an to\u00e0n v\u00e0 d\u1ec5 nh\u1edb cho file Excel, v\u1eeba b\u1ea3o v\u1ec7 th\u00f4ng tin c\u00e1 nh\u00e2n v\u1eeba kh\u00f4ng g\u00e2y kh\u00f3 kh\u0103n khi s\u1eed d\u1ee5ng.<\/p>\n<ul>\n<li><strong>K\u1ebft h\u1ee3p t\u1eeb ng\u1eabu nhi\u00ean: <\/strong>Ch\u1ecdn 3-4 t\u1eeb ng\u1eabu nhi\u00ean t\u1eeb s\u00e1ch, b\u00e0i h\u00e1t ho\u1eb7c cu\u1ed1n t\u1eeb \u0111i\u1ec3n, r\u1ed3i k\u1ebft h\u1ee3p l\u1ea1i \u0111\u1ec3 t\u1ea1o m\u1eadt kh\u1ea9u d\u1ec5 nh\u1edb nh\u01b0ng kh\u00f3 \u0111o\u00e1n.<\/li>\n<li><strong>Th\u00eam s\u1ed1 v\u00e0 k\u00fd hi\u1ec7u: <\/strong>D\u00f9ng c\u00e1c k\u00fd hi\u1ec7u \u0111\u1eb7c bi\u1ec7t v\u00e0 ch\u1eef s\u1ed1 v\u00e0o m\u1eadt kh\u1ea9u \u0111\u1ec3 t\u0103ng t\u00ednh b\u1ea3o m\u1eadt, v\u00ed d\u1ee5 thay &#8220;a&#8221; b\u1eb1ng &#8220;@&#8221;, &#8220;o&#8221; b\u1eb1ng &#8220;0&#8221;.<\/li>\n<li><strong>S\u1eed d\u1ee5ng t\u1eeb y\u00eau th\u00edch:<\/strong> Ch\u1ecdn m\u1ed9t c\u00e2u ho\u1eb7c c\u1ee5m t\u1eeb trong b\u00e0i h\u00e1t ho\u1eb7c s\u00e1ch y\u00eau th\u00edch, r\u1ed3i thay \u0111\u1ed5i m\u1ed9t ch\u00fat (th\u00eam s\u1ed1, k\u00fd t\u1ef1) \u0111\u1ec3 t\u1ea1o m\u1eadt kh\u1ea9u.<\/li>\n<li><strong>\u0110\u1ea3o ng\u01b0\u1ee3c t\u1eeb: <\/strong>\u0110\u1ea3o ng\u01b0\u1ee3c th\u1ee9 t\u1ef1 c\u00e1c k\u00fd t\u1ef1 trong m\u1eadt kh\u1ea9u c\u01a1 b\u1ea3n c\u1ee7a b\u1ea1n \u0111\u1ec3 t\u1ea1o m\u1eadt kh\u1ea9u m\u1edbi m\u00e0 v\u1eabn d\u1ec5 nh\u1edb.<\/li>\n<li><strong>T\u00e1ch t\u1eeb: <\/strong>T\u00e1ch c\u00e1c t\u1eeb trong c\u1ee5m m\u1eadt kh\u1ea9u th\u00e0nh c\u00e1c ph\u1ea7n nh\u1ecf, sau \u0111\u00f3 k\u1ebft h\u1ee3p l\u1ea1i theo c\u00e1ch ng\u1eabu nhi\u00ean \u0111\u1ec3 t\u1ea1o m\u1eadt kh\u1ea9u an to\u00e0n.<\/li>\n<li><strong>D\u00f9ng ch\u1eef c\u00e1i v\u00e0 k\u00fd t\u1ef1 thay th\u1ebf: <\/strong>S\u1eed d\u1ee5ng k\u00fd t\u1ef1 thay th\u1ebf cho ch\u1eef c\u00e1i (v\u00ed d\u1ee5: \u201cs\u201d th\u00e0nh &#8220;$&#8221;, \u201ca\u201d th\u00e0nh &#8220;@&#8221;) \u0111\u1ec3 t\u1ea1o m\u1eadt kh\u1ea9u d\u1ec5 nh\u1edb nh\u01b0ng b\u1ea3o m\u1eadt cao.<\/li>\n<\/ul>\n<p>Vi\u1ec7c b\u1ea3o v\u1ec7 c\u00e1c file Excel quan tr\u1ecdng gi\u00fap b\u1ea1n b\u1ea3o m\u1eadt th\u00f4ng tin v\u00e0 tr\u00e1nh \u0111\u01b0\u1ee3c nh\u1eefng r\u1ee7i ro ti\u1ec1m \u1ea9n. H\u00e3y \u00e1p d\u1ee5ng nh\u1eefng ph\u01b0\u01a1ng ph\u00e1p kh\u00f4i ph\u1ee5c m\u1eadt kh\u1ea9u m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 chia s\u1ebb v\u00e0 t\u1ea1o m\u1eadt kh\u1ea9u v\u1eeba an to\u00e0n v\u1eeba d\u1ec5 nh\u1edb \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o d\u1eef li\u1ec7u lu\u00f4n \u0111\u01b0\u1ee3c b\u1ea3o v\u1ec7.<\/p>\n<p>\u0110\u1eebng qu\u00ean gh\u00e9 th\u0103m chuy\u00ean m\u1ee5c Kinh nghi\u1ec7m c\u1ee7a Si\u00eau Th\u1ecb \u0110i\u1ec7n M\u00e1y &#8211; N\u1ed9i Th\u1ea5t Ch\u1ee3 L\u1edbn \u0111\u1ec3 t\u00ecm th\u00eam m\u1eb9o b\u1ea3o m\u1eadt v\u00e0 c\u00e1c th\u1ee7 thu\u1eadt h\u1eefu \u00edch.<\/p>\n<p>N\u1ebfu b\u1ea1n \u0111ang t\u00ecm ki\u1ebfm ph\u1ee5 ki\u1ec7n vi t\u00ednh ch\u1ea5t l\u01b0\u1ee3ng, h\u00e3y truy c\u1eadp ngay Si\u00eau Th\u1ecb \u0110i\u1ec7n M\u00e1y &#8211; N\u1ed9i Th\u1ea5t Ch\u1ee3 L\u1edbn \u0111\u1ec3 kh\u00e1m ph\u00e1 nh\u1eefng s\u1ea3n ph\u1ea9m gi\u00fap t\u0103ng c\u01b0\u1eddng hi\u1ec7u qu\u1ea3 l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n!<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u00a0 Qu\u00ean m\u1eadt kh\u1ea9u file Excel l\u00e0 m\u1ed9t v\u1ea5n \u0111\u1ec1 kh\u00e1 ph\u1ed5 bi\u1ebfn v\u00e0 c\u00f3 th\u1ec3 g\u00e2y phi\u1ec1n to\u00e1i. Tuy nhi\u00ean, b\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng kh\u00f4i ph\u1ee5c quy\u1ec1n truy c\u1eadp v\u00e0o file c\u1ee7a m\u00ecnh nh\u1edd v\u00e0o m\u1ed9t s\u1ed1 ph\u01b0\u01a1ng ph\u00e1p \u0111\u01a1n gi\u1ea3n. B\u00e0i vi\u1ebft n\u00e0y s\u1ebd h\u01b0\u1edbng d\u1eabn b\u1ea1n 3 c\u00e1ch x\u1eed l\u00fd khi [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3605,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-3604","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thu-thuat"],"jetpack_featured_media_url":"https:\/\/autofillform.com\/blog\/wp-content\/uploads\/2025\/11\/19150.jpg","_links":{"self":[{"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/posts\/3604","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/comments?post=3604"}],"version-history":[{"count":0,"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/posts\/3604\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/media\/3605"}],"wp:attachment":[{"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/media?parent=3604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/categories?post=3604"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/autofillform.com\/blog\/wp-json\/wp\/v2\/tags?post=3604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}