If you’re interested in integrating Act! and Outlook, the Act! Knowledgebase has a number of helpful articles. Here’s a few to get you started:
How to use Microsoft Outlook as your e-mail client in Act! versions 2011 and higher
How do I configure Microsoft Outlook as my email client in Act! Premium (access via web)?
Choosing Options for Recording Email History in Act! When Using Outlook®
Having problems getting set up or looking to do more with Outlook Integration?
Kristi Smith Consulting | Business Solutions That Make Sense