| Features | ACT! 2007 | Prem WrkGrp | Prem Web |
| Linked Correspondence | √ | √ | √ |
| Last Communications Fields | √ | √ | √ |
| Built-in Word Processor that supports tables, HTML images, spell checking, and more! | √ | √ | √ |
| Mail Merge using ACT! Word Processor | √ | √ | √ |
| Mail Merge using Microsoft® Word® | √ | √ | |
| Validate and correct addresses during mail merge | √ | √ | √ |
| Pre-formatted templates | √ | √ | √ |
| ACT! E-mail Client | √ | √ | |
| ACT! E-mail Client integrated with Lotus Notes® | √ | √ | |
| Outlook® E-mail Integration | √ | √ | √ |
| Use Outlook E-mail While in ACT! | √ | √ | √ |
| Use ACT! as Outlook Address Book3 | √ | √ | √ |
| Resolve E-mail Address and Create ACT! History from Outlook | √ | √ | √ |
| Attach Outlook E-mail to ACT! Contacts5 | √ | √ | √ |
| Specify Outlook Default History Types | √ | √ | √ |
| Create ACT! Contact from Outlook E-mail5 | √ | √ | |