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Sut i adfer cyfrinair amddiffyn taflen waith a gollwyd yn Excel?

Rydym bob amser yn gosod cyfrineiriau i amddiffyn rhai taflenni gwaith pwysig rhag cael eu dinistrio neu eu haddasu gan eraill. Ond os anghofiwch eich cyfrineiriau, sut allech chi wneud? Yn ffodus, mae Excel yn cefnogi rhywfaint o god VBA i adfer eich cyfrinair amddiffyn taflen waith a gollwyd. Gallwch ddelio â'r broblem hon fel hyn:

Adennill cyfrinair amddiffyn taflen waith a gollwyd yn Excel gyda chod VBA
Mwy o diwtorial ar gyfer amddiffyn taflen waith ...


Adennill cyfrinair amddiffyn taflen waith a gollwyd yn Excel gyda chod VBA

Gall y cod VBA canlynol eich helpu i ganslo'ch cyfrineiriau gwreiddiol yn gyflym mewn taflen waith.

1. Agorwch eich taflen waith sydd wedi'i gwarchod o'r blaen.

2. Daliwch i lawr y ALT + F11 allweddi, ac mae'n agor y Ffenestr Microsoft Visual Basic for Applications.

3. Cliciwch Mewnosod > Modiwlau, a gludwch y cod canlynol yn y Ffenestr Modiwl.

Cod VBA: adfer cyfrinair amddiffyn taflen waith a gollwyd

Sub PasswordRecovery()
Dim i As Integer, j As Integer, k As Integer
Dim l As Integer, m As Integer, n As Integer
Dim i1 As Integer, i2 As Integer, i3 As Integer
Dim i4 As Integer, i5 As Integer, i6 As Integer
On Error Resume Next
For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
ActiveSheet.Unprotect Chr(i) & Chr(j) & Chr(k) & _
Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
If ActiveSheet.ProtectContents = False Then
MsgBox "One usable password is " & Chr(i) & Chr(j) & _
Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & _
Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
Exit Sub
End If
Next: Next: Next: Next: Next: Next
Next: Next: Next: Next: Next: Next
End Sub

4. Yna cliciwch F5 allwedd i redeg y cod hwn, a bydd blwch prydlon yn popio allan, cliciwch OK i'w chau, a bydd eich cyfrineiriau o'r daflen waith warchodedig yn cael eu canslo ar unwaith.

Nodiadau:

1. Gyda'r cod hwn, dim ond un cyfrinair amddiffyn taflen waith rydych chi'n ei adfer ar y tro, os oes sawl taflen waith warchodedig, mae angen i chi gymhwyso'r cod hwn fesul un.
2. Daw'r cod uchod http://excelzoom.com/2009/08/how-to-recover-lost-excel-passwords/.


Gwarchod taflenni gwaith lluosog yn hawdd ar yr un pryd â chyfrinair yn Excel:

Mae adroddiadau Amddiffyn Taflenni Gwaith cyfleustodau Kutools ar gyfer Excel gall eich helpu i amddiffyn nifer o daflenni gwaith mewn swmp gyda'r un cyfrinair. Mae hefyd yn darparu cyfleustodau i amddiffyn y taflenni gwaith hyn ar yr un pryd. Dadlwythwch y nodwedd lawn 30-diwrnod llwybr rhad ac am ddim o Kutools ar gyfer Excel nawr!


Erthyglau perthnasol

Sut i amddiffyn nifer o daflenni gwaith ar unwaith yn Excel?

Sut i amddiffyn nifer o daflenni gwaith ar unwaith yn Excel?

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Comments (99)
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This comment was minimized by the moderator on the site
What is the Macro name?
This comment was minimized by the moderator on the site
Even using this code below, I continue to receive this message: (When I running that code on Excel 365, I got this message error:
Runtime '1004'
The password you supplied is not correct. Verify that the CAPS LOCK key is off and be sure to use the correct capitalization.
Please if you can help me on this.
thank you very much)
Sub PasswordRecovery()
Dim i As Integer, j As Integer, k As Integer
Dim l As Integer, m As Integer, n As Integer
Dim i1 As Integer, i2 As Integer, i3 As Integer
Dim i4 As Integer, i5 As Integer, i6 As Integer
On Error Resume Next
For i = 65 To 66: For j = 65 To 66: For k = 65 To 66
For l = 65 To 66: For m = 65 To 66: For i1 = 65 To 66
For i2 = 65 To 66: For i3 = 65 To 66: For i4 = 65 To 66
For i5 = 65 To 66: For i6 = 65 To 66: For n = 32 To 126
ActiveSheet.Unprotect Chr(i) & Chr(j) & Chr(k) & _
Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _
Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
If ActiveSheet.ProtectContents = False Then
MsgBox "One usable password is " & Chr(i) & Chr(j) & _
Chr(k) & Chr(l) & Chr(m) & Chr(i1) & Chr(i2) & _
Chr(i3) & Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)
Exit Sub
End If
Next: Next: Next: Next: Next: Next
Next: Next: Next: Next: Next: Next
End Sub
This comment was minimized by the moderator on the site
Hello, Jose,
If the VBA code can't work well in Office 365, maybe the following article can help you, there are two methods in that article, please check it:
https://www.extendoffice.com/documents/excel/7179-excel-unprotect-all-sheets-without-password.html
Thank you!
This comment was minimized by the moderator on the site
When I running that code on Excel 365, I got this message error:
Run-time '1004'
The password you supplied is not correct. Verify that the CAPS LOCK key is off and be sure to use the correct capitalization.
Please if can help me on this.
thank you very much
This comment was minimized by the moderator on the site
The tip to recover my password says to open the Excel document. Without the password I cant open it, so how does this work?
This comment was minimized by the moderator on the site
Il existe de nombreux programmes pour récupérer le mot de passe des fichiers Excel. J'utilise Manyprog Excel Password Recovery. C'est rapide et facile à utiliser. https://fr.manyprog.com/excel-password-recovery.php
This comment was minimized by the moderator on the site
Hi. I've got Microsoft 365 . Does it work too ?I tried, but for now couldn't open my xlsx files..
This comment was minimized by the moderator on the site
Thank you! After saving it as an Excel 91-2003 (.xls) doc, I was able to use this to unlock all the worksheets within the workbook. Literally saved me so much time.
This comment was minimized by the moderator on the site
This does not appear to work. It only generates passwords with As, Bs and something else at the end. What am I missing?
This comment was minimized by the moderator on the site
This algorithm doesn't work. Only generates PWs with As, Bs and something different at the end. What am I missing?
This comment was minimized by the moderator on the site
Hay muchos programas para recuperar la contraseña de los archivos de Excel. Estoy usando Manyprog Excel Password Recovery. Es rápido y fácil de usar. https://es.manyprog.com/excel-password-recovery.php
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