XLSM to XLSX Converter
Convert your Excel XLSM workbook into an editable XLSX workbook for Excel, Google Sheets, and Apple Numbers. Process securely online and download free.
Drop your XLSM files here
Up to 50MB per file.
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your XLSM files
Drag and drop or select XLSM files from your device. You can upload multiple files at once.
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Configure Output
Start the conversion. Crest Convert will prepare the XLSX file using the appropriate format engine.
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Download XLSX files
Once conversion finishes, download your files individually or as a compressed ZIP archive.
Why convert XLSM to XLSX?
XLSM is a macro-enabled Microsoft Excel workbook containing worksheets, formulas, formatted cells, and spreadsheet data. Converting it to XLSX creates the current Microsoft Excel workbook format with worksheets, formulas, and formatted cells, ready for workflows that use the destination format.
XLSX opens in Microsoft Excel, Google Sheets, Apple Numbers, and LibreOffice Calc.
Frequently Asked Questions
How do I convert XLSM to XLSX?
Add your XLSM Excel workbook, start the conversion, and download an editable XLSX workbook ready for Excel, Google Sheets, and Apple Numbers.
What is an XLSM workbook?
XLSM is a macro-enabled Microsoft Excel workbook format used for worksheets, formulas, formatted cells, charts, and spreadsheet data.
What does converting XLSM to XLSX do?
The converter reads your XLSM workbook and creates an editable XLSX workbook ready for Excel, Google Sheets, and Apple Numbers.
Can I edit the converted XLSX spreadsheet?
Yes. The converter creates a genuine XLSX spreadsheet with supported worksheet content, cell values, and structure ready for compatible apps.
Can I convert several XLSM workbooks?
Yes. Add multiple XLSM files and download a separate XLSX result for each spreadsheet.
Is XLSM to XLSX conversion secure?
Yes. Spreadsheets are transferred over an encrypted connection, processed securely, and automatically removed after conversion. No account is required.