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Under Windows 7, I was wondering how to clean the contents under C:/Users/tim/appdata? My current one takes up 4 GB. Also, a little explanation about its purpose will be nice!

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up vote 3 down vote accepted

AppData stands for Application Data, you most likely don't want to delete anything there...

Mine is also 4 GB, it's completely normal behavior.

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Basically, any time an application needs to store stuff, it goes there rather than in the Program Files directory (for properly designed apps!) This could be anything from personal options setting to your entire email inbox. Don't touch! – Shinrai Feb 3 '11 at 19:27
Over time it will grow. Uninstalled apps don't remove their content. – Sirber Dec 12 '12 at 21:38

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