OneDrive offers several ways to save and share documents. The easiest way to start using OneDrive is to add a OneDrive folder to File Explorer on your computer and save your work there, where it will automatically sync to your cloud storage. You can also save files to OneDrive directly from each Office app. 

For more tips like this, check out the working remotely playlist at www.youtube.com/FoetronAcademy . Also, if you need any further assistance then you can raise a support ticket and get it addressed.