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.

Worksheet protection is a two-step process: the first step is to unlock cells that others can edit, and then you can protect the worksheet with or without a password.

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

Clicking Unprotect Sheet automatically removes the password from the sheet. To add a new password, click Protect Sheet or Protect Workbook, type and confirm the new password, and then click OK.

Find out how you can unlock an Excel spreadsheet when you are locked out of an Excel file by yourself or by another user.

Excel gives you the ability to protect your work, whether it’s to prevent someone from opening a workbook without a password, granting Read-Only access to a workbook, or even just protecting a …

You can add a password to an Excel file to prevent unauthorized users from opening or modifying it.

You can hide any worksheet to remove it from view. The data in hidden worksheets is not visible, but it can still be referenced from other worksheets and workbooks, and you can easily unhide hidden …

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.

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 …