Free Online Encrypt XLS with Password

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

*By uploading your files or using our service you agree with our Terms of Service and Privacy Policy

Editor Viewer Conversion Merger Unlock Protect Splitter Comparison Annotation Parser Metadata Watermark Search Chart Mortgage Assembly Translation Compress
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Aspose.Cells for .NET Aspose.Cells Excel Protect

 
Aspose.Cells
  • Protect XLS
  • 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 XLS files

  • Click inside the file drop area to upload XLS files or drag & drop XLS files.
  • Enter new password in Password input field to make your XLS file password protected.
  • Click on Protect Now button. Download link of password protected XLS file will be shown.
  • You can also send a link to the XLS 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.

Other Supported Protections

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

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