Your password stays with you
The workbook is encrypted by your browser on your own device. Neither the file nor the password is ever sent to us.
Protect Excel
Password protect an Excel file
Lock an Excel workbook so only people with the password can open it. It uses the same encryption as Excel itself, so Excel asks for the password on any computer or phone.
- Fast
- Private
- No upload
Drop your Excel files here
Excel workbooks (.xlsx), up to 50 at a time
Your files are processed on your device and are never uploaded.
How it works
Protect Excel in three steps
- Choose your workbookSelect one or more .xlsx files, or drop them on the box above. Several files get the same password.
- Choose a passwordType the password twice. Use one you will remember, because it cannot be recovered.
- DownloadThe protected workbook downloads to your device. Excel asks for the password when it is opened.
Why use it
Protect Excel with ToolsCampus
Excel's own encryption
AES-256 with SHA-512, exactly what Excel uses for "Encrypt with Password". It opens in Excel on Windows, Mac and phones, in LibreOffice and in Google Sheets.
The whole workbook is locked
Unlike sheet protection, which only stops editing, this password is needed to open the file at all.
Questions, answered
Protect Excel questions
Which Excel files work?
Workbooks saved as .xlsx (Excel 2007 and newer), including macro workbooks (.xlsm). Old .xls files must be saved as .xlsx in Excel first.
Are my workbook and password uploaded?
No. Everything happens in your browser on your own device.
Is this the same as protecting a sheet?
No. Sheet protection only stops changes and is easy to remove. This encrypts the whole file, so it cannot be opened, read or previewed without the password.
How do I remove the password later?
Open the workbook in Excel with the password, choose File > Info > Protect Workbook > Encrypt with Password, clear the box and save.
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