Type a password in the "Enter Password" text box, and then type the same password again in the "Re-enter Password" text box. Click "OK" at the bottom of the window to create your locked ZIP file.

Learn how to make a file or folder private in Windows 11/10. Select Share with or Give access to option and choose Nobody or Remove access.

Remember that, with password protections removed, anyone with access to your Excel file can open, view, and edit it. If you've decided a password isn't necessary anymore, this likely isn't an issue.

This post will show you how to lock a file or folder in Windows 11/10. You can use the built-in method to encrypt folders or third-party apps.