Free Online Encrypt XLSM 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 .

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Aspose.Cells for .NET Aspose.Cells Excel Protect

 

Aspose.Cells
  • Protect XLSM
  • 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

XLSM Microsoft Excel Macro-Enabled Spreadsheet

Files with XLSM extension is a type of Spreasheet files that support Macros. From application point of view, a Macro is set of instructions that are used for automating processes. A macro is used to record the steps that are performed repeatedly and facilitates performing the actions by running the macro again. Macros are programmed with Microsoft's Visual Basic for Applications (VBA) from within the Excel Workbook using the Visual Basic Editor and can be run/debug directly from there.

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How to Protect XLSM files

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