Fortunately, Excel provides built-in features that allow you to hide and password-protect your worksheets without requiring any programming skills. Password Protecting Excel Spreadsheet Data ...

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.

Open the spreadsheet you want to protect in Excel, click the "Review" tab and then click "Protect Sheet" in the Changes group to display the Protect Sheet dialog.

Password-Protected Macros Open the Excel worksheet where you wish to place the macro and then activate the Visual Basic for Applications options by turning on the Developer tab.

Whether you’ve forgotten the password or received a protected file from someone else, unlocking an Excel spreadsheet without the password may seem like an insurmountable challenge.

Safeguard your Excel worksheets from accidentally deleting formulas or data sets by locking important cells, while leaving the rest of the worksheet editable.

At the file level, you can password protect an Excel workbook in two ways: You can determine who can get in and who can save changes.

You can lock cells in Excel by heading into the program's "Protection" tab. There, you can set a password, and protect your data.

Most folks have a few documents–legal forms, business records, account spreadsheets, etc.–they’d like to protect from prying eyes. Here’s a little-known fact: Word and Excel let you assign ...

There are several options available to you to protect your Excel file with a password. Remember that once you protect the Excel file, you cannot open it without entering the password.