Free Online Encrypt Excel with Password

Protect MS Excel and OpenDocument Spreadsheet by making them password protected.


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Aspose.Cells for .NET Aspose.Cells Excel Protect

 

Aspose.Cells
  • Protect XLS, XLSX, XLSM, XLSB, ODS
  • Protect Excel from any device: Windows, Mac, Linux, Android and iOS.
  • Encrypt with password in multiple Excel files
  • Instantly download or send output file as an email
  • The protected excel files require a password to open

How to Protect Excel files

  • Click inside the file drop area to upload Excel files or drag & drop Excel files.
  • Enter new password in Password input field to make your Excel file password protected.
  • Click on Protect Now button. Download link of password protected Excel file will be shown.
  • You can also send a link to the Excel file to your email address.
  • Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.
Fast and Easy Protection

Fast and Easy Protection

Upload your file, enter new password and click on "PROTECT NOW" button. You will get protected file as soon as the protection is performed.

Protect from Anywhere

Protect from Anywhere

It works from all platforms including Windows, Mac, Android and iOS. All files are processed on our servers. No plugin or software installation required for you.

Protection Quality

Protection Quality

Powered by Aspose.Cells . All files are processed using Aspose APIs, which are being used by many Fortune 100 companies across 114 countries .

Other Supported Protections

You can also protect other Excel file formats. Please see the list below.