To prevent other users from accidentally or deliberately changing, moving, or deleting data in a worksheet, you can lock the cells on your Excel worksheet and then protect the sheet with a password.

How to lock cells in Excel to protect your data. You can also unlock a range of cells and grant permissions to others to edit.

How to protect an Excel file using a password to prevent unwanted access to your data.

See Protect a worksheet or Protect a workbook. Tip: It's a best practice to unlock any cells that you may want to change before you protect a worksheet or a workbook, but you can also unlock them after …

You can protect the Excel file by specifying two passwords: one to open, and the other to modify. You can later share the appropriate passwords with the team depending on the access they should be …

Open the sheet or workbook that you want to protect. On the Review tab, click Protect Sheet or Protect Workbook. In the Password box, type a password, and in the Verify box, type the password again. …

To lock your file so that other users can't open it, see Protect an Excel file. To protect certain areas of the data in your worksheet from other users, you have to protect your worksheet.

If you don't want content reviewers to accidentally change a Word document or an Excel spreadsheet, you can use formatting and editing restrictions. Note: To further restrict reviewers from making …

See Protect a worksheet or Protect a workbook. Tip: It's a best practice to unlock any cells that you may want to change before you protect a worksheet or a workbook, but you can also unlock them after …

You can lock a file to make it read-only and prevent it from being accidentally deleted. Lock or unlock a workbook to make it read-only Note: If your workbook is shared, anyone who has Write privileges …