To lock your cells in Microsoft Excel, you just need to head into the program's "Protection" tab. Locking a cell in Excel will make it so viewers can't change the data inside of that cell, which ...

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

The ability to lock cells or elements of Microsoft Excel and Google Sheets, but not the full sheet, allows maximum customization and control of a project.

Here’s how to lock cells in Excel, whether you’re on Windows 10 or macOS, and it's easy as pie. Learn how to lock cells in Excel and keep vital information on your spreadsheets secure.

To change Gridline color in Excel, use Excel Options, apply a custom-colored border to the cells, or apply a custom line color. Full details here.

Excel's default color is already white, so you need only format every other column or row as gray to alternate between white and gray cells.