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.

At the file level, you can password protect an Excel workbook in two ways: You can determine who can get in and who can save changes.

Password protect PDF, Excel, Word, Office documents, OneNote notes, Files, Folder, Zip, Games, Images, applications, programs, USB, Flash, Pen Drives.

If you would like to make sure that your Excel spreadsheet data is secure this guide will show you how to password protect and hide worksheets ...

A recommended approach to secure your most private documents — whether it’s a PDF, Word file, or Excel spreadsheet — is to lock them with a passcode. While this does help keep sensitive ...

I have a file my organization uses to track all kinds of production data that was created several years ago. It has 3 macros attached – I’m not sure what they really do, but when you open the ...

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 ...