Unprotect an excel worksheet

1. Open VIEW CODE window (Alt+F11)
2. Copy this code below:
Code:
Sub  PasswordBreaker()
    If ActiveSheet.ProtectContents = False Then
         MsgBox "Sheet '" & ActiveSheet.Name & "' is unprotected!",  vbInformation
    Else
        If MsgBox("Sheet '" & ActiveSheet.Name  & "' is protected, do you want to unprotect it?", _
        vbYesNo +  vbQuestion, "Unprotect Active Sheet") = vbNo Then Exit Sub
        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)
        Next: Next:  Next: Next: Next: Next
        Next: Next: Next: Next: Next: Next
         If ActiveSheet.ProtectContents = False Then MsgBox "Sheet '" &  ActiveSheet.Name & "' is unprotected!", vbInformation
    End If
End  Sub
3. Run