Convert XLW to XLTX
Convert XLW spreadsheet documents to XLTX format online and free.
Drop Files Anywhere to Upload
Choose the XLW spreadsheet document you wish to convert.
Use any available XLW to XLTX tools on the preview page and click Convert.
You will be redirected to the download page to see the conversion status and download your XLTX file.
To change XLW format to XLTX, upload your XLW file to proceed to the preview page. Use any available tools if you want to edit and manipulate your XLW file. Click on the convert button and wait for the convert to complete. Download the converted XLTX file afterward.