It is sometimes useful to perform a particular action on the contacts who are both in Act! and Mailchimp or in one of the other, it is the purpose of the Compare command of the Maintenance menu:
![The Compare option window](../_demos/404_compare.gif)
![The Compare output window](../_demos/404_compare_1.gif)
The type of action depends on your previous selection. If you select Contacts in Act not in Mailchimp, here are the options:
![The Compare Action window](../_demos/404_compare_2.gif)
The type of action depends on your previous selection. If you select Contacts in Mailchimp not in Act!, here are the options:
![The Compare Action window](../_demos/404_compare_3.gif)