Please refer to the Act! Knowledgebase article below, as Act! is a separate product from Act! 365 or Act! Growth Suite Starter you may also want to search the Act! Knowledgebase
How to Export Act! Data to Microsoft Excel:
http://kb.swiftpage.com/app/answers/detail/a_id/13534/kw/exporting
When ready to import the data into Act! 365 or Act! Growth Suite Starter review the article below
How do I import my contacts:
https://actcloud1.zendesk.com/hc/en-us/articles/201455269-How-do-I-import-my-contacts-