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.

There are several options available to you to protect your Excel file with a password. Remember that once you protect the Excel file, you cannot open it without entering the password.

Learn how to password protect Microsoft Office documents like Word, PowerPoint and Excel using their built-in Permissions feature.

Password protect Office documents Microsoft Office certainly makes it easier to password protect your important documents like Word, PowerPoint, and Excel, by making use of its password protection ...

It is possible to create a macro in an Excel sheet that unlock the sheet which is already protected by a password. Users can easily prepare a document in the sheet and then lock it again with a ...

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.

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

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 ...