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.

If you have sensitive content in an Office document, you can use these steps to protect it with a password.

In this post, we will see how to password protect PDF, Excel, Word, Office documents, OneNote notes, Files, Folder, Zip file, Games, Images, applications, installed programs, USB, Flash, Pen ...

Need to keep a file confidential? Microsoft Word and Excel make it simple to assign a password.