Free Online XLS to XLSM Converter

Convert XLS to XLSM online for free from any device and browser

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Aspose.Cells for .NET Aspose.Cells Excel Conversion

This is a free app to convert Excel format, also you can save the result to PDF, DOCX, PPTX, XLS, XLSX, XLSM, XLSB, ODS, CSV, TSV, HTML, JPG, BMP, PNG, SVG, TIFF, XPS, MHTML and Markdown.Convert Excel online from Mac OS, Linux, Android, iOs, and anywhere.
If you want to implement this feature programmatically, please check Aspose.Cells documentation .

How to convert XLS to XLSM

  • Upload your XLS files to convert.
  • Press the "CONVERT" button.
  • Download the converted files instantly or send a download link to email.

Note that file will be deleted from our servers after 24 hours and download links will stop working after this time period.

Other Supported Conversions

You can also convert XLS into many other file formats. Please see the complete list below.

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