Secure your Excel files with a strong password. Protect confidential data before sharing or archiving.
Drag & drop your Excel files here or click to browse
XLSX, XLS, CSV · 100 MB max par fichier
Supported formats
How it works
Upload your Excel file
Set your password
Download the protected file
Privacy guaranteed
100% local encryption. Your password is never transmitted.
In Password Protect Excel, the key point here is Protect Excel without data loss. Protect Excel without data loss: Password Protect Excel: Lock an XLSX or XLS workbook with a password so only people you trust can open it. Encryption runs on your device and the file never leaves your browser. Ideal for a financial report, customer database, HR
For Password Protect Excel, this section focuses on Protect XLSX and XLS without Microsoft 365. Protect XLSX and XLS without Microsoft 365: Password Protect Excel: Lock an XLSX or XLS workbook with a password so only people you trust can open it. No need to install Excel, buy a Microsoft 365 license, or use LibreOffice. Our tool opens your XLSX
In Password Protect Excel, the key point here is Protect Excel for free without registration. Protect Excel for free without registration: Password Protect Excel: Lock an XLSX or XLS workbook with a password so only people you trust can open it. Process as many XLSX, XLS, XLSM, ODS, or CSV files as you want, immediately and without intrusive ads.
For Password Protect Excel, this section focuses on Fast online Excel protection on mobile. Fast online Excel protection on mobile: Password Protect Excel: Lock an XLSX or XLS workbook with a password so only people you trust can open it. Processing is done directly in your browser, ensuring an ultra-fast operation. A clean, up-to-date
For Password Protect Excel, this section focuses on Protect Excel for cloud and collaboration. Protect Excel for cloud and collaboration: Password Protect Excel: Lock an XLSX or XLS workbook with a password so only people you trust can open it. Perfect for preparing a file before sending it via Slack, Microsoft Teams, or email to clients, suppliers
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Learn how to use our tools with our detailed guides.
Protect an Excel file for email: prepare the workbook for its final use and check the result before you send, import, print, or archive it.
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Protect an Excel file on mobile: prepare the workbook for its final use and check the result before you send, import, print, or archive it.