So if you decide to protect any of your Excel files with one, be sure it's something you won't forget or find another way to keep track of it. Once a password has been set up, you must enter it ...

How to set a password to encrypt an Excel spreadsheet 1. With your Excel spreadsheet open, click on the "File" tab, then click on "Info." 2. Click on the box labeled "Protect Workbook" to open a ...

If you want to set an expiration date and password when sharing Excel files online, here is how you can do that. It is possible to do both of them when using Excel Online. That said, you do not ...