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.

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.

You can stop or prevent users from editing directly in cells in Excel. You have to lock and protect Cells in Excel by following these steps.

If you need to prevent users from making unintentional changes to an Office document, in this guide we show you how to accomplish the task in Word, Excel, and PowerPoint.

You can have Excel make a spreadsheet in read only format for others, so that people can read its contents but not edit them, or you can enforce other content restrictions.

Sending Excel files containing crucial financial and business data has risks. To add a layer of protection, you should learn to password protect an Excel file.

The ability to lock cells or elements of Microsoft Excel and Google Sheets, but not the full sheet, allows maximum customization and control of a project.

The Excel file may say it’s locked if the user who shared it with you is currently editing the document. It can also be because the Office app running in the background has already opened the file.

To lock your cells in Microsoft Excel, you just need to head into the program's "Protection" tab. Locking a cell in Excel will make it so viewers can't change the data inside of that cell, which ...

How to lock cells in Excel Open the Excel workbook and select all cells in the worksheet with the cells you want to lock by pressing the Ctrl + A buttons on your keyboard.

How to Lock Numeric Values in Excel. Microsoft Excel is a powerhouse when it comes to calculating numbers. With its vast assortment of functions, you can construct formulas to derive virtually any ...