Excel (Win) - How to password protect and encrypt a workbook

This document explains how to encrypt and password protect a workbook.

Caution:  If you lose or forget the password, it cannot be recovered.  Encrypted data cannot be recovered without your password.

Note: Screenshots were taken with Excel 2021.  The steps are the same as far back as Excel 2010, although the appearance may differ slightly.

1) Open the workbook you want to protect.

2) Click the File tab.

3) Click Info.

Excel  file info interface

4) Under Protect Workbook, select Encrypt with Password.

5) In the Password box, type a password, then click OK.

Assign a password to secure a file

6) In the Reenter password box, type the password again, then click OK.

7) Click Save.

8) When you reopen the file later, you will be prompted for the password.

Prompt to enter password

Keywordsexcel windows office password encrypt encryptdata@rest   Doc ID17336
OwnerJulie J.GroupCybersecurity
Created2011-03-16 19:00:00Updated2023-08-07 10:03:18
SitesDoIT Help Desk, Office of Cybersecurity
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