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.

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 protect certain areas of the data in your worksheet from other users, you have to protect your worksheet. For more information, see Protect a worksheet. To know the difference between …

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 …

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 …

On the Review tab in the ribbon, in the Changes group, select either Protect Sheet or Protect Workbook, and then reapply protection. See Protect a worksheet or Protect a workbook.

To add a new password, click Protect Sheet or Protect Workbook, type and confirm the new password, and then click OK. To remove a password from the workbook, click Protect Workbook, and then click …

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.