DOTM files are built around lossless compression. Designed for corporate templates with macros, automated document generation, they use the application/vnd.ms-word.template.macroenabled.12 MIME type and typically range from varies by content.
XLSX is the modern XML-based spreadsheet format used by Microsoft Excel for data analysis, calculations, and charting.
Reach for DOTM when your priority is corporate templates with macros, automated document generation — its uncompromising quality ensures every detail is preserved.
Reach for XLSX when your priority is spreadsheets, data analysis, calculations — its efficient compression makes sharing fast and storage minimal.
Convert DOTM files to XLSX online for free. High-quality conversion with no registration required.
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.dotm,.DOTM (max 100MB)
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DOTM (DOTM) - Word Macro-Enabled Document Template, template with VBA macros. Best for corporate templates with macros, automated document generation.
XLSX (XLSX spreadsheets) - Spreadsheet format for data analysis and calculations. Ideal for spreadsheets, data analysis, calculations.
Yes, GoConvertFile offers free conversion of DOTM to XLSX for files up to 100MB. No registration required.
Most DOTM to XLSX conversions complete within seconds for standard-sized files. Larger files may take longer depending on the conversion complexity.
XLSX is ideal for spreadsheets, data analysis, calculations. Spreadsheet format for data analysis and calculations
Yes, converting DOTM to XLSX uses lossy compression, which reduces file size by discarding some visual data. Set quality to 85-95% for a good balance of quality and file size.
XLSX files are typically 50-80% smaller than DOTM files because XLSX uses efficient lossy compression. The exact reduction depends on quality settings.
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