Where can I find answers to the most common questions or solutions in ACT!

The ACT! website contains a expansive knowledge base which can help many users get the most out of ACT!. 
Also the user community is another great resource for finding and understanding many of ACT! features. 
Are you new to ACT!? The ACT! Getting Started Resource Center is a great place to start.
Want videos instead please try the ACT! Getting Started Video Collection.