If you’re like millions of other users, you use Excel spreadsheets to plan your budgets, track sales or expenses, and organize all sorts of data. You may even use Excel to work with private or confidential information.

If you have data in a spreadsheet that you don’t want just anyone else to see, you can password protect that Excel file. I’ve found that requiring people to enter a password to access an Excel file keeps your private information private — while still allowing you, and anyone else with the password, proper access.