Three days of work. Catastrophe!
Mac OS 10.12.3 (16D32)Adobe XD 0.6.12.17
I have the same issue (see other thread)
Adobe is researching this.
Tip: export all of your artboard to svg. This will create an svg file for every art board you created. It's a worst case scenario but at least you will be able to recover them later
We're consolidating the research and questions on this thread: Re: Cannot open or save files Please check out some of the investigative questions here!
Retrieving data ...