Convert XLSX (Excel) to OTS
Convert XLSX spreadsheet documents to OTS format online and free.
Select any XLSX spreadsheet document you wish to convert by clicking the Choose File button.
Use the tools available for converting XLSX to OTS and click the Convert button.
Give it a moment for the OTS conversion to complete, then download your file afterward.
To change XLSX format to OTS, upload your XLSX file to proceed to the preview page. Use any available tools if you want to edit and manipulate your XLSX file. Click on the convert button and wait for the convert to complete. Download the converted OTS file afterward.