XLSX Converter
Microsoft Excel’s format since 2007: sheets, formulas and formatting in one file.
Drop an XLSX file here
As many as you like. We will show you what they convert to.
or paste one from the clipboard
Convert from XLSX
Convert to XLSX
About XLSX files
What can I convert a XLSX file to?
PDF, XLS, ODS, and CSV — 4 formats in all.
What can I turn into a XLSX?
XLS, ODS, and CSV — 3 formats convert into XLSX.
Is XLSX lossy?
No. An XLSX stores its contents exactly, which is why the files are larger than a lossy equivalent.