Here is a tutorial to lock or hide only the formula cells in an Excel workbook. You can also lock formulas in all worksheets in a workbook.

If you have Excel spreadsheets with sensitive data, you can easily lock and unlock them Here's what you need to do.

If an Excel file is locked for editing, you can unlock it by getting access from the other user, ensuring the version you are using supports co-authoring, or putting the document in SharePoint or ...

Ever found yourself locked out of an Excel spreadsheet because you forgot the password or you have been given password protected Excel files from a colleague who was left the business? It’s 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. While this does help keep sensitive ...

To unlock grayed-out menus for an Excel file created in a previous version, convert the file format to Excel 2007.

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