The default config at the C drive user .IntelliJIdea
1, into the idea of the installation directory;
2, find the "idea.properties" file;
3, change: Path "idea.config.path = $ {user.home} / IntelliJIdea / config." After, as you want use storage directory;
4, Review: path after "idea.plugins.path = $ {idea.config.path} / plugins", you want to use for the storage directory;
5, note that the above two cancel the "# "comment character;
6, after saving rerun idea, all configuration and plug-ins will be saved in the specified directory;
7, finally, you can stay in sync backup friends.