PASSWORD & SECURITY · ONLINE UTILITY

Password Protect Excel File

Pack an Excel workbook in an AES-encrypted ZIP.

No account needed · Browser-based processing · Original document stays on your device

Select the file to protect

● Runs in your browser

Drag & drop files hereor click to browse your deviceSupported files listed here

Output settings

YOUR GUIDE TO THIS TOOL

What is Password Protect Excel File and when is it useful?

Spreadsheets can contain costs, contact lists and private calculations. This utility creates a password-protected ZIP containing the original XLSX workbook, helping you store or transfer it without leaving the worksheet readable inside an ordinary archive.

Who can use this tool?

These are a few practical situations where the tool may save time:

Small businesses sharing budget workbooks
Office teams sending restricted spreadsheets
Students backing up personal data tables
People transferring their private XLSX files

How to use Password Protect Excel File

Select the XLSX workbook.
Choose a password and enter the same value again.
Download the encrypted ZIP.
Extract the workbook with a compatible ZIP application and verify the file.

Before you download: things worth checking

This is ZIP-level encryption, not Excel-native workbook encryption.
It does not set worksheet editing restrictions inside Excel.
The file contents remain unchanged after extraction.

Your input file remains on your device with the current browser-processing workflow. Save the result separately and check it yourself before uploading it to any official portal, printing it or sending it to someone else.

Questions people ask about Password Protect Excel File

Will Excel itself show a password prompt?

No. Extraction from the ZIP requires the password; Excel then opens the original XLSX normally.

Does the tool modify formulas?

No. The original workbook bytes are preserved inside the archive.

Why can’t I open the archive in my phone’s file manager?

Some archive apps lack support for AES-encrypted ZIPs. Try a compatible extractor.