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

Microsoft Excel allows users to edit a cell in the cell itself. However, if you need to use a lot of big and complicated formulas, you might need to use the Formula bar. On the other hand, if you need ...

Formulas are one of the most important components of an Excel sheet and as such, deserve–warrant–protection. You don’t want users accidentally changing formulas and impacting the purpose of your work.

Microsoft Excel normally does not let users change the values of protected cells. To edit a protected cell, you must first remove its protected status. You can do this using either Excel's ribbon ...