.xls

XLS Converter

Convert Microsoft Excel 97-2003 files online for free — no upload, no registration, 100% private

Fogli di Calcolo format

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What is a XLS file?

Microsoft Excel 97-2003 (.xls)

Microsoft Excel 97-2003 is a spreadsheet file format with the extension .xls.

Extension: .xlsCategory: Fogli di Calcolo

Convert from XLS

Convert your Microsoft Excel 97-2003 files to other formats

XLSXLSX XLSODS XLSCSV XLSTSV XLSNUMBERS XLSXLSM XLSXLSB

Convert to XLS

Convert other files to Microsoft Excel 97-2003 format

XLSXXLS ODSXLS CSVXLS TSVXLS NUMBERSXLS XLSMXLS XLSBXLS

Frequently Asked Questions about XLS

What is a XLS file?

A XLS file is a spreadsheet format with the extension .xls. Microsoft Excel 97-2003 files are widely used in digital workflows for creating, sharing, and storing spreadsheet content.

How do I convert XLS files for free?

Use Convert999 to convert XLS files for free directly in your browser. Simply upload your file, select the target format, and click convert. No installation or signup required.

Is it safe to convert XLS files online?

Yes! Convert999 processes all files 100% locally in your browser. Your XLS files are never uploaded to any server, ensuring complete privacy and security.

What formats can I convert XLS to?

Convert999 supports converting XLS to 7+ formats including XLSX, ODS, CSV, TSV, NUMBERS and more. Browse the full list above.

Explore XLS

XLS Converter

XLS → all formats

Convert to XLS

All sources → XLS

Fogli di Calcolo

All spreadsheet formats

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Other Fogli di Calcolo Converters

.xlsxMicrosoft Excel .odsOpenDocument Spreadsheet .csvComma-Separated Values .tsvTab-Separated Values .numbersApple Numbers .xlsmExcel Macro-Enabled .xlsbExcel Binary Workbook