1. Open a workbook.
2. On the File tab, click Save As.
3. Click Browse.
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4. Click on the Tools button and click General Options.
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5. In the Password to modify box, enter a password and click OK.
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Note: If you only want to recommend users to open the Excel file as read-only, without protecting it, don't enter a password and check Read-only recommended.
6. Reenter the password and click on OK.
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Note: this feature does not encrypt your Excel file. Malicious users can edit the file and remove the password.
7. Enter a file name and click Save.
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Your workbook is read-only now. The password for the downloadable Excel file is "easy".
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