Locking cells in a Microsoft Excel spreadsheet is among the most commonly used functions. Here’s a guide on how to lock cells in Excel.

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

Microsoft Excel can’t insert new cells because it would push non-empty cells off the end of the worksheet. These cells might appear empty but have blank values, some formatting, or a formula.