Welcome to the best online converter where you can convert your files easily and quickly 100% for free. No need for registration, easy and simple to use with no watermarks. Convert Microsoft Excel (xlsx) to OpenOffice.org 1.0 Spreadsheet (sxc)
1 - Put your file inside the box (max file size is 5 MB for now)
2 - Choose what do you want it to be converted to
3 - Click the button "start Converting"