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XLS File Format

XLS is the spreadsheet format of Microsoft Excel 97–2003, still common in old reports and exports.

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Maximum 1 GB

XLS at a Glance

Type	Spreadsheets
Full name	Excel 97–2003 Workbook
File extensions	.xls
MIME type	`application/vnd.ms-excel`
Developed by	Microsoft
Introduced	1997

Convert XLS to Other Formats

Frequently Asked Questions

What is XLS used for?

XLS opens even in old versions of Excel and in programs that do not read XLSX.

How do I open XLS files?

XLS files open in Microsoft Excel, LibreOffice Calc, Google Sheets. If you don't have such a program, convert the file to a format you can open with the converter on this page — free and without registration.

How do I convert XLS files?

Drop the file into the converter at the top of this page, choose the output format and click "Convert". Files are deleted from our server automatically after 48 hours.

Is it free?

Yes, all converters are free, with no registration and no watermark.

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