It only works now if you happen to have an existing TM backup on ExFAT disc. This way you can connect the disc to Deco and then TM will detect it and be able to continue backups to it. But TM will...

@C-Link thanks so much for capturing exactly what the issue is. I have a BE63 and trying to use a USB connected SSD for Time Machine. I formatted the SSD ExFAT so I'm able to see it in Deco app. I...