If you want to add backup sources from Microsoft OneDrive, press Define new button under Online section.
Then press the Choose account button and connect to your Microsoft OneDrive account, to give Backup4all the necessarily permissions.
You can select the account type: Personal or Business and you can also select the root folder.
The configurations defined can also be edit/deleted later if you right click the configuration entry in New Backup Wizard or in File->Options->Online connections.
