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XLSX to XLS

Convert XLSX spreadsheets to XLS in seconds. XLSX is best for spreadsheets, accounts and data tables; XLS is best for older Excel and accounting software. Your files are processed on your own device.

  • No upload — 100% private
  • Fast, lossless when possible
  • Free & unlimited
  • Works on iPhone & Android

    How to convert XLSX to XLS

    1. 1

      Tap Choose files and select your XLSX file(s).

    2. 2

      Adjust the options if you like (the defaults work well).

    3. 3

      Press Convert to XLS. Several files can be downloaded together as a ZIP.

    XLSX vs XLS

    XLSXXLS
    Full nameMicrosoft Excel workbookExcel 97–2003 workbook
    Opens on iPhone◐ Partly / with an app◐ Partly / with an app
    Opens on Android◐ Partly / with an app◐ Partly / with an app
    Opens on Windows✓ Yes✓ Yes
    Opens on Mac◐ Partly / with an app◐ Partly / with an app

    XLSX: XLSX is the Excel spreadsheet format with multiple sheets, formulas and formatting. Google Sheets, Numbers and LibreOffice open it too.

    XLS: XLS is the older binary Excel format. Some accounting and government software still exports it.

    Frequently asked questions

    How do I convert XLSX to XLS on my phone?
    Open this page in your phone's browser, tap Choose files, pick your XLSX file(s) and press the button. The XLS file saves to Downloads.
    Is it free and unlimited?
    Yes. There's no sign-up, no watermark and no daily limit.
    Are my files uploaded?
    No. Conversion runs in your browser, so your documents and photos stay private.

    Rate this tool

    Be the first to rate it.

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    XLSX to ODSXLSX to CSVXLSX to JSONXLSX to HTMLXLSX to PDFODS to XLSCSV to XLS

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