Unity Crash Has Killed All My Prefabs

Since a random crash happened all the prefabs I have made in my last Unity session are now just empty with just their name to identify them. I have lost massive amounts of work with the crash and I was wondering how to recover the prefabs as I though they were saved with assets and therefore recoverable?

Nope, they’re gone. From now on, save every time you do anything, make daily backup copis of your project folder, and back up to Dropbox too.