With the Excel file open select File in the top-left corner of the screen, followed by Info. Select Protect Workbook, then choose Encrypt with Password. Enter the password you want to use, then ...

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.

In Word, Excel, or PowerPoint for Windows, open the file you want to protect with a password, then select File and Info.You should see a Protect option at the top of the next list: Click this ...

Quite often there is a situation in which you dont want other users to modify the data stored in your Excel file. It can either be because the data is confidential, or the fact that you simply do ...