XLS to XLSX

Convert your XLS file to XLSX online, for free.

Choose File

Drop files here · Up to 200 MB

How to convert XLS to XLSX

  1. 1Click “Choose File” and select the XLS file you want to convert.
  2. 2Make sure the target format is set to XLSX.
  3. 3Click Convert and wait while we process your file in the cloud.
  4. 4Download your new XLSX file.

About XLS and XLSX

XLS: XLS is the classic Microsoft Excel spreadsheet format.

XLSX: XLSX is the modern Microsoft Excel spreadsheet format.

This tool converts XLS to XLSX entirely in the cloud — your file never stays on your device, and we delete it automatically after processing.

Other document conversions

XLSX to XLSXLS to CSVXLS to PDFCSV to XLSXPDF to ODTTXT to PDFDOCX to DOCXLSX to CSVPSD to PDFJIF to PDFODT to DOCXDOC to DOCX

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Convert by format

XLS ConverterXLSX Converter
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