XLS File Converter — Convert .XLS to CSV, DTA, FEATHER & More
XLS is the binary file format used by Microsoft Excel versions 97 through 2003. It uses a structured storage file format (Compound File Binary Format). While st…
Microsoft Excel Spreadsheet (Legacy)
.xlsXLS is the binary file format used by Microsoft Excel versions 97 through 2003. It uses a structured storage file format (Compound File Binary Format)...
Convert XLS to (16 formats)
Select a Target Format
Choose one of the 16 output formats on the left to configure your conversion options.
Popular XLS Conversions
What is a .XLS file?
XLS is the binary file format used by Microsoft Excel versions 97 through 2003. It uses a structured storage file format (Compound File Binary Format). While still widely supported, it has largely been superseded by the XML-based XLSX format.
- File Extension
- .xls
- MIME Type
- application/vnd.ms-excel
- Category
- Spreadsheets
- Output Formats
- 16 supported
Frequently Asked Questions
A .XLS file is a Microsoft Excel Spreadsheet (Legacy) format used in the spreadsheets category. You can view the full technical details on this page, or convert it to another format using the tool above.