Hi guys, thanks for taking the time to reply to this. I completely get as to why this is how dropbox behaves at present, i.e. that the time machine request triggers the download of the file. However, I wonder whether there is a way to prevent dropbox from doing so if it is a 'read trigger' by time machine? What I really would like to continue doing is to be able to backup my dropbox folder to my time machine automatically as this gave me extra peace of mind that I physically have a copy of my important files. It was good enough for me to have this physical copy only of the files that are physically on my hard disk, i.e. I used selective sync. Having smart sync is however a great new feature for me as I have a ton of files on my dropbox that I do not need regularly but which I really love being able to find via spotlight etc. So it looks like I'm between a rock and a hard place and for now need to exclude my dropbox folder from time machine and run a scripted backup from time to time from the command line to an extrenal drive using rclone. Given I'm using a laptop this is far less comfortable than using time machine over Wifi and I might of course forget to do the manual backup quite frequently.
... View more