How to Backup and Increment Save your Blender Projects - YouTube
passivestar on Twitter: "Did you know that those ".blend1" files that Blender makes are actually backups that can help you restore your project in case your blend file gets corrupted? All you
saving - How do I stop so many .blend1 files from being created - Blender Stack Exchange
3 Ways to Recover Lost Work — Blender Guru
What is a .blend1 file and why do you (not) need them? - CG Cookie | Learn Blender, Online Tutorials and Feedback
blend1 file - Technical Support - Blender Artists Community
Icon for .blend1 and fiter for extensions in file manager — Right-Click Select