“You do not need to have Dropbox installed on your machine to use Dropbox Sync in DT3”.
This is a highly underrated feature and I wonder how many casual users know this. It took me two years to find this golden nugget. 
2 Likes
Haha! The suggestion is noted. 
Welcome @sardonicfireplace 
Do you not run the Dropbox application on your devices?
could you please be more “step by step”? TIA
“So I set up Dropbox on all of the devices with my Global Inbox. Seems that the 3 device limit doesn’t count towards this method…”
FYI, see page 66 of the outstanding “DEVONthink Manual” (V 3.8.6) for a step-by-step for setting up Dropbox sync.
2 Likes