XLS to XLSX converter
Convert XLS to XLSX
This online document converter allows you to convert your files from XLS to XLSX in high quality.
We support a lot of different file formats like PDF, DOCX, PPTX, XLSX and many more. By using the online-convert.com conversion technology, you will get very accurate conversion results.
How to convert a XLS to a XLSX file?
- Choose the XLS file you want to convert
- Change quality or size (optional)
- Click on "Start conversion" to convert your file from XLS to XLSX
- Download your XLSX file
To convert in the opposite direction, click here to convert from XLSX to XLS:XLSX to XLS converter
Not convinced? Click on the following link to convert our demo file from XLS to XLSX:XLS to XLSX conversion with our XLS example file.