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.

Learn how to unprotect Excel sheets or workbooks without a password using this simple step-by-step guide. No software required!

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 ...

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 ...

In this guide, we show you two ways to unlock files that have been locked by an application or process, so you can once again modify, move, or delete them from your device on Windows 10.

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.

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

How to Unlock a Chart in Excel. By default, each chart you create in Microsoft Excel is locked to prevent unauthorized modification. However, this setting serves no purpose until you enable ...