Excel for Microsoft 365 for Mac Excel 2021 for Mac Excel 2019 for Mac More...Less
Workbook passwords can be changed or removed by anyone who knows the current password.
Caution:Passwords in Excel for Mac and Word for Mac have a 15-character limit. You cannot open a workbook or document that has been password protected in the Windows-based version of Excel or Word if the password is longer than fifteen characters. If you want to open the file in Office for Mac, ask the Windows-based author to adjust the password length.
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Open the workbook that you want to change or remove the password for.
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On the Review tab, click Protect Sheet or Protect Workbook.
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Click Unprotect Sheet or Protect Workbook and enter the password.
Clicking Unprotect Sheet automatically removes the password from the sheet.
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To add a new password, click Protect Sheet or Protect Workbook, type and confirm the new password, and then click OK.
To remove a password from the workbook, click Protect Workbook, and then click OK without entering a new password.
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