How to convert online O to OTB?

Online O to OTB, you can put the O to OTB format on your computer, tablet or mobile phone without downloading any software!

(1): The online converter can choose O files that need to be converted locally or online.
(2): Then select the output option, and finally click the 'Convert to OTB file' button. After the upload is complete, you can download the converted OTB file to your computer.
In a few simple steps, you can put O to OTB!