Accidents happen. Losing a post you were creating for the communities can be very frustrating. Either your computer crashes, accidentally closing your browser, or some other freak accident. The good news is
your post for the communities can be recovered!
1. Whichever type of post you were creating (discussion, blog, etc) create a new type of that post.
2. At the top you will see a dialog box. Click recover and the post you lost is back in it's entirety!