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.

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.

It is possible to create a macro in an Excel sheet that unlock the sheet which is already protected by a password. Users can easily prepare a document in the sheet and then lock it again with a ...

In other words, your file will get expired at 11:59 PM on the specified date. How to set Password when sharing Excel files online To set a password when sharing Excel files online, follow these steps: ...

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 ...

How to Unlock Protected Spreadsheets. You can't edit or copy the contents of a protected Excel worksheet unless you first unlock the protection. If unlocking the worksheet doesn't require a ...

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.