1. After an address has been searched and chosen, the previous contact can be viewed through the Master Address Index. Click the "Master Address Index (MAI)" button to view the address history. Did You Know? The Master Address Index is self-building. The more an address is used, the more information will be attached to its Master Index. Persons, calls, cases, etc. will show as tabs containing the related information. 2. Individual tabs are available for each "type of contact"