Convert XLS to XLSM Online — Free
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How to Convert
Upload your .xls file by dragging it into the upload area or clicking to browse.
Choose your output settings. The default settings work great for most files.
Click Convert and download your .xlsm file when it's ready.
What is XLS?
XLS is the legacy Microsoft Excel format used before Office 2007. While superseded by XLSX, it's still widely found in enterprise data exports and archived files.
Format Details
- Full Name
- Microsoft Excel 97-2003
- Extension
- .xls
Key Features
- Legacy support
- Wide compatibility
- Spreadsheet
- Data analysis
What is XLSM?
XLSM is a macro-enabled Microsoft Excel format. It supports VBA macros for spreadsheet automation while using the same Open XML structure as XLSX.
Format Details
- Full Name
- Excel Macro-Enabled
- Extension
- .xlsm
Key Features
- VBA macros
- Open XML format
- Excel compatible
- Automation support
XLS vs XLSM
| Feature | XLS | XLSM |
|---|---|---|
| Full Name | Microsoft Excel 97-2003 | Excel Macro-Enabled |
| Extension | .xls | .xlsm |
| Best For | Legacy support | VBA macros |