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To remove a password from an Excel spreadsheet or Workbook, follow these steps: Open the Excel spreadsheet and enter your password. Go to File > Info. Click on the Protect Workbook option.
Whether you’ve forgotten the password or received a protected file from someone else, unlocking an Excel spreadsheet without the password may seem like an insurmountable challenge.
If you have sensitive data you'd like to keep from prying eyes in a Microsoft Excel file, the easiest way to protect it is with Excel's built-in password tools.