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. Our team tests, rates, ...

You may have gotten an Excel file from someone, but you’re not able to edit it due to a strange Read-only notification. There are several ways to get around this problem, and like always, we are going ...

Some Office users have recently experienced “Unknown error trying to lock file” while using Office apps like Excel, Teams, OneDrive, PowerPoint, etc. It’s even ...

Freezing rows and columns in Excel is a great way to keep important information always visible while scrolling through the worksheet. To freeze rows and columns, follow these steps: Open the Excel ...

Microsoft Excel lets you embed content from other applications, including PDF files. You can embed a PDF file into a cell of an Excel worksheet and then use Excel's security features to lock the ...

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 content safe, ...