Microsoft Excel has been one of the go-to spreadsheet apps for several decades, and it's developed an array of tricks throughout its lifetime, not just for making data entry, editing, and organization ...

You've created an important or confidential file in Microsoft Word or Excel, and you want to keep it private or at least secure. Perhaps you want to make sure that only you and certain people can read ...

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 ...

There are many reasons you might want to protect an Excel worksheet with Read-only mode. Maybe you don't want someone to erase data from a workbook accidentally, or you want to make sure a file is not ...

Enter the password and note it in a secure place. How to password protect an Excel workbook Your email has been sent At the file level, you can password protect an ...

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, ...