I use Dropbox for cloud storage and I am fairly sure that, in the past, DOpus has had an option on a file's context menu to copy a Dropbox Link. The option does appear in File Explorer.
But this no longer appears on my version (12.29).
First, is my memory correct? Second, if so, is this a DOpus or a Dropbox issue?
Thanks
A recent Dropbox update stopped this from working, we have a fix for it which is in the current beta version, but it has not yet made it into a stable release.
Thanks Jon.
I'll wait for the stable release.
No need to wait long, it's now available 
Please let us know if you still have issues after installing it, but the feedback we got for the beta was that the fix worked.