[DONE] Multiple accounts of Onedrive for Business in NetDrive3

[support1]

You can mount multiple OneDrive or OneDrive for Business with NetDrive 3.

Please refer to following topic.

How to add multiple Dropbox drive with different account

If you want to connect different Dropbox account you need to logout your Dropbox account from your default web browser before adding another Dropbox account. Unlike Google Dropbox does not provide a page for selecting account from multiple accounts. Same applies to other drive types: https://support.bdrive.com/t/multiple-onedrive-for-bussines-accounts/2226

For the second question, you can use auto-login option in login screen.