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 …

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 …

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

To control how users should work within an individual worksheet, use worksheet-level protection. Let’s say each worksheet in your status report workbook contains data that is common to all …

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.

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 …

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 …

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 …

Learn to hide (or unhide) worksheet tabs or workbooks in Excel. Worksheet names appear on the tabs along the bottom of a workbook.

Find Microsoft Excel help and learning resources. Explore how-to articles, guides, training videos, and tips to efficiently use Excel.