When you have a torrent you want to OneDrive, you can either add single files, one by one, or add the zip file to your OneDrive. Once the file(s) have been added to OneDrive you are free to share or access them however you like. Some popular ways are Rclone, Infuse, direct links and more.
Only OneDrive personal accounts seem to be compatible with TorBox for now. This likely won't change in the future.
Simply click on the file you want to move to OneDrive, click on the OneDrive button, follow the popup and login to your Microsoft account. This will begin moving the file to your OneDrive. If you set up a folder location, it will be moved there, otherwise, it will be moved to your home. As it is being uploaded, you will see a notification with progress on how the transfer is going.
Make sure to allow all permissions
TorBox requires the full access permission to be able to work with the files you upload, such as naming, and uploading. While it does say TorBox can read and delete, we don't do this and are committed to your privacy and will not do anything but upload in the time TorBox has access. If you do not agree, or don't want to take the risk, click the "Cancel" button, and try a different integration. We don't store any information about your account, all integration data is stateless, which is why you have to continuously log in, every time you want to upload a file to the cloud.
If you get "Failed to request permission from OneDrive."
Head to this link, and login. There will be a list of apps, find TorBox and click on it. Like below it will take you to a page with all of the permissions TorBox has. To remove, click "Remove These Permissions".
This will revoke all of TorBox's permissions, so you can try logging in again. If you still get the error at this point, make sure that you check your TorBox settings for the OneDrive folder. If the folder you set doesn't exist, has a typo, or your account doesn't have access to it, it will fail with this error as well.