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.

An icon in the shape of a lightning bolt. Impact Link If you want your Microsoft Excel spreadsheet to have a little more protection, you can encrypt its data by setting a password. You can also ...

Have a private document on your desktop OS? Here's how to keep it secure on Linux, MacOS, and Windows.

Open the Word, Excel, or PowerPoint file and head to File > Info. Select Protect Document (or Protect Spreadsheet, or Protect Presentation) and choose Encrypt with Password, then enter your password.