ODS to XLSX
Convert ODS files to XLSX in seconds, for free. Nothing to install.
Files are deleted from the server automatically after 1 h.
Why convert ODS to XLSX?
- XLSX is the modern Office format: smaller files and full compatibility with Microsoft 365.
- XLSX is one of the most widely supported formats — it opens almost anywhere.
You don't need to install any software to convert ODS to XLSX. Upload your file, choose XLSX and download the result a few seconds later. The conversion runs on our servers and your file is deleted automatically after 1 h.
ODS vs XLSX: comparison
| Feature | ODSOpenDocument Spreadsheet | XLSXMicrosoft Excel Open XML Workbook |
|---|---|---|
| Developer | OASIS (OpenDocument) | Microsoft |
| Released | 2005 | 2007 |
| Type | spreadsheet | spreadsheet |
| Editable content | ✓ yes | ✓ yes |
| Opens with | LibreOffice Calc, Google Sheets, Microsoft Excel | Microsoft Excel, LibreOffice Calc, Google Sheets |
Tip: CSV files are saved as UTF-8, so non-Latin characters display correctly.
How it works
- Choose or drop your ODS file.
- Pick XLSX as the output format.
- Click “Convert” and download your file.
ODS to XLSX: questions and answers
Will quality be lost when converting ODS to XLSX?
Text, tables and images are kept. Very complex layouts or rare fonts may shift slightly.
How long does ODS to XLSX conversion take?
Usually 1–10 seconds. Several files are processed in parallel.
What is the maximum ODS file size?
Up to 50 MB per file and up to 20 files at once — for free.
Can I convert ODS to XLSX on my phone?
Yes. TezConvert works in any browser on Android and iPhone — no app needed.
How do I open a XLSX file?
XLSX files open in: Microsoft Excel, LibreOffice Calc, Google Sheets.
Are my files safe?
Files are used only for the conversion, never shown to anyone, and deleted automatically after 1 h. The original is deleted right after conversion.
⇄ Need the opposite? Convert XLSX to ODS →