Want to protect an important Word document or Excel spreadsheet? Here's how to add a password, make documents read-only, and tap into other tricks to safeguard sensitive files.

How to Recover a Locked Word File. Microsoft's Word software allows you to lock specific documents from editing with a password. This feature is designed to protect important documents from ...

In Word, Excel, or PowerPoint for Windows, open the file you want to protect with a password, then select File and Info.

How to Lock Text Boxes in Word. Locking text boxes in a Word document lets you prevent others from tampering with or making inadvertent changes to these text-entry controls. By doing so, you ...