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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…

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Source Format

Microsoft Excel Spreadsheet (Legacy)

.xls
Spreadsheets

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)...

application/vnd.ms-excel
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Convert XLS to (14 formats)

.xls

Select a Target Format

Choose one of the 14 output formats on the left to configure your conversion options.

Popular XLS Conversions

XLS→CSVXLS→DTAXLS→FEATHERXLS→HTMLXLS→JSONXLS→MDXLS→ODSXLS→ORCXLS→PARQUET

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 While still widely supported, it has largely been superseded by the XML-based XLSX format.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
14 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.