Restore Outlook 2007 color categories
Tuesday, July 31, 2007 by Jason
So you will see in calendar, tasks, and you've been so annoyed that, you want to reset to default color categories? You can't find any options in Outlook 2007 to reset to default categories. If you delete one by one, it could take a long long time.
So, the easiest way is :
Start menu-->> RUN--->> and enter "c:\program files\microsoft office\office12\outlook.exe" /cleancategories"
Enjoy your journey with new stylish Outlook 2007!
Reference : Microsoft