XLSX to XLS Converter

ConvertFly is an online file converter. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats. To get started, use the button below and select files to convert from your computer.

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XLSX
to
XLS

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PDF, DOCX, JPG, PNG, MP4, MP3, and 200+ formats

XLSX

XLSX Converter

XLSX is Excel's modern spreadsheet format based on XML.

XLS

XLS Converter

XLS is Excel's legacy binary format used before 2007.

CONVERT FROM XLSX

XLSX to PDFXLSX to XLSXLSX to ODSXLSX to CSVXLSX to TSVXLSX to HTML

CONVERT TO XLS

XLSM to XLSXLTX to XLSXLT to XLSXLR to XLSODS to XLSCSV to XLSTSV to XLSNUMBERS to XLS

XLSX to XLS Converter - Free Online

Convert XLSX to XLS online for free. Fast, secure spreadsheet conversion powered by industry-standard engines. No signup required, files auto-delete after 24 hours. Swiss-hosted by Dizzus GmbH.

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XLSX to PDFXLSX to ODSXLSX to CSVXLSX to TSVXLSX to HTML
XLSX to XLS Converter - Free Online | ConvertFly