A tutorial teach you to unprotect the Excel Worksheet when you forget the protection password.

1. Unprotect Excel Worksheet without Password

2. Forgot password to unprotect excel sheet?
Now this article would introduce two
effective methods to unprotect excel
worksheet/sheet without password while
excel file can be opened or have no open
password.

3. Unprotect Excel Worksheet free with VBA code
• Step 1: Open the target Excel document. Then
press Alt +F11 at same time to open Microsoft
visual basic application window.
• Step 2: Double-click the sheet you need to
unprotect from the menu listing in the left of
the window. This will open the general
declarations page for the sheet.

4. Step 3: Click Insert>>Module to bring up module section. Then you should
type the under words into the section.
• Sub PasswordBreaker()
'Breaks worksheet password protection.
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

6. Step 4: run the Macro by pressing F5 or selecting Run > Run
Macro in the menu of VBA editor. And click Run in the coming
dialog.

7. Last, you can see that a dialog pops up and tells you
usable password. Then click OK button to unprotect the
worksheet.

8. Unprotect Excel Worksheet safely with iSunshare
Workbook Unprotect Genius
If you feel above way is not so safe enough, this
way will suggest you another more effective and
safe software. We usually use it to not
only unprotect worksheet, but also unprotect
workbook without password, because it can
remove Excel protection password at once with
just one click.

9. Step 1: Launch the iSunshare software, and import
excel file that includes the worksheet you need to
unprotect.
Attention : The excel file you import should be saved in *.xlsx format and
include the worksheet you want to unprotect. If it is *.xls file, convert it
into *.xlsx at first.

10. Step 2: Tap on Remove Password button now and sheet password, workbook
protection password and read-only password would be removed from excel
file simultaneously, supposing your excel file is protected with all of these
passwords.