Does Blender have a setting or addon that makes it prompt you to 'save unsaved changes' when you close the window like other applications? I cannot count the number of times I have lost small pieces of my work because I exited the program just to check if I had made any changes.

up vote 13 down vote accepted

Yes, (But only on MS-Windows) open User Preferences and look under Interface, you should see a checkbox with Prompt Quit beside it.

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Additionally, or preferably you can use CtrlAlt + U to save it and make it load with your other defaults.

About Macs:

Closing the app with CmdQ invokes the save prompt. Quitting with CmdW doesn't. (possible bug?) The only indication that you haven't saved is the 'dot' in the red, close-window button, top left of the window.

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  • 3
    Wow, thanks. never new that until now – gandalf3 Jun 20 '13 at 23:19
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    To bad it doesn't work on linux.. – gandalf3 Jun 21 '13 at 0:20
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    @gandalf3 you have to use Ctrl + Q, updated my answer. – iKlsR Jun 21 '13 at 0:46
  • hm.. I know about Ctrl + Q, but never really used it.. – gandalf3 Jun 21 '13 at 1:45
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    Why not Ctrl + Alt + U to save user preferences only? Ctrl + U would also save everything else (e.g. scene objects) to startup file – Alvin Wong Jun 21 '13 at 14:48

Additionally, Blender auto saves to a temporary directory every 5 minutes by default, (settings located in User Preferences > File)

It also automatically saves a "quit.blend" file in a temporary directory when it has exited. (This is recoverable by going to Info > File > Recover last session)

Blender even saves backup files in the directory that your file is saved in (foo.blend1, blend2) for a more permanent backup.
See this question for more info on this.. Blender saves a new file every time

All of this is default behaviour.

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that star indicates unsaved changes.

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