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# 6.2 Load and save

When `nip2` starts up it loads all of the definition files it can find in the directories listed in `Start path`. You can change `Start path` in the `Preferences` workspace. By default, the start path lists just two areas: a personal start directory that `nip2` makes in your home area, and the main system `nip2` start directory containing all the standard toolkits.

If there are two files with the same name on the start path, then `nip2` will only load the first one. This means that if you modify one of `nip2`'s built-in menus and save it to your personal start directory, in future you'll just see your personalised version.

You can load or reload a toolkit at any time with the `File` / `Open Toolkit` menu item in the program window. If you open a toolkit with the same name as an existing toolkit, `nip2` will remove the old toolkit before it loads the new one.