excel密碼忘記了怎麼辦

Ⅰ Excel文件忘記密碼怎麼辦

可以通過以下步驟解除Excel加密密碼：

所需材料：Excel、記事本、解壓軟體。

一、首先點擊選中被加密的表格文檔，按F2重命名，把文件格式改為RAR。

Ⅱ Excel打開密碼忘記了怎麼辦

1、首先，點擊選擇加密的表單文檔，根據F2重新命名，並將文件格式改為RAR。

Ⅲ Excel的保護密碼忘記了怎麼辦，急用

有兩種方法可以解決：

方法1：使用密碼破解程序破解。以下為具體方法：

1打開文件

2工具---宏----錄制新宏---輸入名字如:aa

3停止錄制(這樣得到一個空宏)

4工具---宏----宏,選aa,點編輯按鈕

5刪除窗口中的所有字元(只有幾個),替換為下面的內容:(復制吧)

6關閉編輯窗口

7工具---宏-----宏,選AllInternalPasswords,運行,確定兩次,等2分鍾,再確定.OK,沒有密碼了!!

內容如下：

Public Sub AllInternalPasswords()

' Breaks worksheet and workbook structure passwords. Bob McCormick

' probably originator of base code algorithm modified for coverage

' of workbook structure / windows passwords and for multiple passwords

'

' Norman Harker and JE McGimpsey 27-Dec-2002 (Version 1.1)

' Modified 2003-Apr-04 by JEM: All msgs to constants, and

' eliminate one Exit Sub (Version 1.1.1)

' Reveals hashed passwords NOT original passwords

Const DBLSPACE As String = vbNewLine & vbNewLine

Const AUTHORS As String = DBLSPACE & vbNewLine & _

"Adapted from Bob McCormick base code by" & _

"Norman Harker and JE McGimpsey"

Const HEADER As String = "AllInternalPasswords User Message"

Const VERSION As String = DBLSPACE & "Version 1.1.1 2003-Apr-04"

Const REPBACK As String = DBLSPACE & "Please report failure " & _

"to the microsoft.public.excel.programming newsgroup."

Const ALLCLEAR As String = DBLSPACE & "The workbook should " & _

"now be free of all password protection, so make sure you:" & _

DBLSPACE & "SAVE IT NOW!" & DBLSPACE & "and also" & _

DBLSPACE & "BACKUP!, BACKUP!!, BACKUP!!!" & _

DBLSPACE & "Also, remember that the password was " & _

"put there for a reason. Don't stuff up crucial formulas " & _

"or data." & DBLSPACE & "Access and use of some data " & _

"may be an offense. If in doubt, don't."

Const MSGNOPWORDS1 As String = "There were no passwords on " & _

"sheets, or workbook structure or windows." & AUTHORS & VERSION

Const MSGNOPWORDS2 As String = "There was no protection to " & _

"workbook structure or windows." & DBLSPACE & _

"Proceeding to unprotect sheets." & AUTHORS & VERSION

Const MSGTAKETIME As String = "After pressing OK button this " & _

"will take some time." & DBLSPACE & "Amount of time " & _

"depends on how many different passwords, the " & _

"passwords, and your computer's specification." & DBLSPACE & _

"Just be patient! Make me a coffee!" & AUTHORS & VERSION

Const MSGPWORDFOUND1 As String = "You had a Worksheet " & _

"Structure or Windows Password set." & DBLSPACE & _

"The password found was: " & DBLSPACE & "$$" & DBLSPACE & _

"Note it down for potential future use in other workbooks by " & _

"the same person who set this password." & DBLSPACE & _

"Now to check and clear other passwords." & AUTHORS & VERSION

Const MSGPWORDFOUND2 As String = "You had a Worksheet " & _

"password set." & DBLSPACE & "The password found was: " & _

DBLSPACE & "$$" & DBLSPACE & "Note it down for potential " & _

"future use in other workbooks by same person who " & _

"set this password." & DBLSPACE & "Now to check and clear " & _

"other passwords." & AUTHORS & VERSION

Const MSGONLYONE As String = "Only structure / windows " & _

"protected with the password that was just found." & _

ALLCLEAR & AUTHORS & VERSION & REPBACK

Dim w1 As Worksheet, w2 As Worksheet

Dim i As Integer, j As Integer, k As Integer, l As Integer

Dim m As Integer, n As Integer, i1 As Integer, i2 As Integer

Dim i3 As Integer, i4 As Integer, i5 As Integer, i6 As Integer

Dim PWord1 As String

Dim ShTag As Boolean, WinTag As Boolean

Application.ScreenUpdating = False

With ActiveWorkbook

WinTag = .ProtectStructure Or .ProtectWindows

End With

ShTag = False

For Each w1 In Worksheets

ShTag = ShTag Or w1.ProtectContents

Next w1

If Not ShTag And Not WinTag Then

MsgBox MSGNOPWORDS1, vbInformation, HEADER

Exit Sub

End If

MsgBox MSGTAKETIME, vbInformation, HEADER

If Not WinTag Then

MsgBox MSGNOPWORDS2, vbInformation, HEADER

Else

On Error Resume Next

Do 'mmy do loop

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

With ActiveWorkbook

.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 .ProtectStructure = False And _

.ProtectWindows = False Then

PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & _

Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _

Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)

MsgBox Application.Substitute(MSGPWORDFOUND1, _

"$$", PWord1), vbInformation, HEADER

Exit Do 'Bypass all for...nexts

End If

End With

Next: Next: Next: Next: Next: Next

Next: Next: Next: Next: Next: Next

Loop Until True

On Error GoTo 0

End If

If WinTag And Not ShTag Then

MsgBox MSGONLYONE, vbInformation, HEADER

Exit Sub

End If

On Error Resume Next

For Each w1 In Worksheets

'Attempt clearance with PWord1

w1.Unprotect PWord1

Next w1

On Error GoTo 0

ShTag = False

For Each w1 In Worksheets

'Checks for all clear ShTag triggered to 1 if not.

ShTag = ShTag Or w1.ProtectContents

Next w1

If ShTag Then

For Each w1 In Worksheets

With w1

If .ProtectContents Then

On Error Resume Next

Do 'Dummy do loop

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

.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 Not .ProtectContents Then

PWord1 = Chr(i) & Chr(j) & Chr(k) & Chr(l) & _

Chr(m) & Chr(i1) & Chr(i2) & Chr(i3) & _

Chr(i4) & Chr(i5) & Chr(i6) & Chr(n)

MsgBox Application.Substitute(MSGPWORDFOUND2, _

"$$", PWord1), vbInformation, HEADER

'leverage finding Pword by trying on other sheets

For Each w2 In Worksheets

w2.Unprotect PWord1

Next w2

Exit Do 'Bypass all for...nexts

End If

Next: Next: Next: Next: Next: Next

Next: Next: Next: Next: Next: Next

Loop Until True

On Error GoTo 0

End If

End With

Next w1

End If

MsgBox ALLCLEAR & AUTHORS & VERSION & REPBACK, vbInformation, HEADER

End Sub

再用該密碼給保護，原來使用者的密碼同樣能打開。

方法2：使用壓縮包解決。

• 將文件後綴名改為RAR。

• 打開壓縮包文件，找到一個xml文件，用文本方式打開。

• 打開之後，找到代碼pssword 語句，將該句刪掉。

• 再將後綴名改為xls，再打開就沒有密碼了。

Ⅳ excel打開密碼忘記了怎麼辦

1.開啟excel文件點擊撤銷工作簿保護時忘記密碼的情況,
2.這時就可以右鍵文件,開啟右鍵菜單列表,
3.點擊重命名把文件後綴改成rar,
4.改成完rar使用壓縮應用打開這個rar文件,
5.然後打開xl目錄下的worksheets文件夾,

Ⅳ excel文件打開密碼忘記了怎麼辦

這種忘記密碼不可怕，可怕的是你忘記密碼還不能提供一點有效的大概密碼組合，密碼簡單的可以破解，要是密碼是多種組合就需要時間 了

Ⅵ Excel 忘記密碼，怎麼恢復Excel密碼

方法/步驟

1
在電腦上下載並安裝Excel Password Geeker。下載鏈接http://www.asunsoft.com/downloads/asunsoft-excel-password-geeker.exe
2
運行Excel Password Geeker.
3
點擊左上角的 Open 按鈕，然後導航到你的 Excel 文件所在的路徑，並把它導入到Excel Password Geeker裡面。
4
Excel文件導入後，點擊上面的 Start 按鈕就開始恢復Excel密碼了。
5
Excel密碼恢復後顯示在對話框中，你可以直接點擊Copy按鈕將它復制，然後粘貼，就可以打開你受密碼保護的 Excel 文件了。
END
注意事項

雖然Excel Password Geeker 這個工具是英文版的，但界面簡潔易懂，易於操作哦。
如果你的 Excel 密碼設置的比較簡單，幾秒鍾就可以恢復，如果你的密碼設置的非常復雜的話，可能就要等上幾個小時了。
如果你對你的 Excel 密碼還有一些印象的話，可以在 Type of attack 下拉菜單下，選擇一種 密碼破解的模式，可以加快密碼恢復的速度。