If you have sensitive data you'd like to keep from prying eyes in a Microsoft Excel file, the easiest way to protect it is with Excel's built-in password tools.

One of the most notable additions to Microsoft's 2007 Office System was the Trust Center, which centralizes the security options in Word, Excel, Outlook, PowerPoint, and the other applications in ...

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 ...

In other words, your file will get expired at 11:59 PM on the specified date. How to set Password when sharing Excel files online To set a password when sharing Excel files online, follow these steps: ...