Try it!
Protect a workbook with a password to prevent others from adding, moving, deleting, hiding, or renaming the worksheets in the workbook.
Require a password to open an Excel file
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Select File > Info.
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Select the Protect Workbook box and choose Encrypt with Password.
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Enter a password in the Password box, and then select OK.
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Confirm the password in the Reenter Password box, and then select OK.
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