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XLS converter

Counter XLS → 5 formats
Drop your files here .xls

    XLS is the binary spreadsheet format of Excel 97-2003. Drop your file and choose what it becomes.

    • Free
    • No sign-up
    • Batch conversion

    Convert from XLS

    Family Give → Get What you gain
    XLS XLSX formulas and many sheets
    XLS CSV imports into any system
    XLS JSON API-ready data
    XLS PDF looks the same everywhere
    XLS ODS LibreOffice’s open format

    What is XLS?

    XLS is the binary spreadsheet format of Excel 97-2003. Older accounting software and enterprise systems still produce or require it.

    Legacy accounting and ERP systems, archived spreadsheets.

    Strengths

    • Works with very old Excel versions
    • Required by legacy business systems

    Weaknesses

    • Limit of 65,536 rows and 256 columns
    • Larger files and an outdated structure
    XLS at a glance
    Full nameMicrosoft Excel 97-2003
    Created byMicrosoft
    Year1997
    Extensions.xls
    MIMEapplication/vnd.ms-excel
    FamilySpreadsheet

    Convert to XLS

    Family Give → Get What you gain
    XLSX XLS old Excel and ERP systems · Excel sheets carried over
    ODS XLS old Excel and ERP systems · LibreOffice sheet read
    CSV XLS old Excel and ERP systems · separator found by itself

    Frequently asked questions

    What is XLS?

    XLS is the binary spreadsheet format of Excel 97-2003. Older accounting software and enterprise systems still produce or require it.

    What is XLS used for?

    Legacy accounting and ERP systems, archived spreadsheets.

    Which formats can XLS be converted to?

    On this page XLS files convert to XLSX, CSV, JSON, PDF, ODS. XLSX, ODS, CSV files can also be turned into XLS.

    How long does a conversion take?

    Most files convert in a few seconds. Long videos and documents with many pages can take a few minutes; the row shows the progress.