XLTM to XLSX Converter
Convert your XLTM Excel spreadsheet template into an editable XLSX workbook for Excel, Google Sheets, and Apple Numbers. Process securely online and download free.
Drop your XLTM files here
Up to 50MB per file.
Files are encrypted and auto-deleted after conversion
How to Convert
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Upload your XLTM files
Drag and drop or select XLTM 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 XLTM to XLSX?
XLTM is a macro-enabled Microsoft Excel spreadsheet template used for reusable worksheets and established reporting workflows. 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 XLTM to XLSX?
Add your XLTM Excel template, start the conversion, and download an editable XLSX workbook ready for Excel, Google Sheets, and Apple Numbers.
What is an XLTM Excel template?
XLTM is a macro-enabled Microsoft Excel template format used for reusable worksheets, formatted reports, and established spreadsheet workflows.
What does converting XLTM to XLSX do?
The converter reads your XLTM template 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 XLTM templates?
Yes. Add multiple XLTM files and download a separate XLSX result for each spreadsheet.
Is XLTM to XLSX conversion secure?
Yes. Spreadsheets are transferred over an encrypted connection, processed securely, and automatically removed after conversion. No account is required.