Free Online XLS to XLSM Converter

Convert XLS to Word, Excel, PowerPoint, PDF, JPG, PNG, CSV & HTML and more

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Aspose.Cells for .NET Aspose.Cells Excel Conversion

 

Aspose Excel converter 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 convert programmatically please check Aspose.Cells documentation.

Aspose.Cells

XLS Microsoft Excel Binary File Format

Files with XLS extension represent Excel Binary File Format. Such files can be created by Microsoft Excel as well as other similar spreadsheet programs such as OpenOffice Calc or Apple Numbers. File saved by Excel are known as Workbook where each workbook can have one or more worksheets. Data is stored and displayed to users in table format in worksheet and can span numeric values, text data, formulas, external data connections, images and charts.

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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 convert XLS to XLSM

  • Click inside the file drop area to upload XLS files or drag & drop XLS files.
  • You can upload maximum 10 files for the operation.
  • Your XLS files will be uploaded and will be converted to XLSM format.
  • Download link of XLSM files will be available instantly after conversion.
  • 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 Conversions

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