| Features | ACT! 2007 | Prem WrkGrp | Prem Web |
| Schedule Calls, Meetings, and To-dos | √ | √ | √ |
| Track Activities | √ | √ | √ |
| Rich Text Formatting in Activity details | √ | √ | √ |
| Built-in Calendar | √ | √ | √ |
| Filter Private Activities | √ | √ | √ |
| Create and Edit Activity Series | √ | √ | √ |
| Activity Conflict Notification | √ | √ | √ |
| Automatic Rollover of Activities | √ | √ | √ |
| Recurring Activities | √ | √ | √ |
| 5 Calendar Views | √ | √ | |
| View Other user Calendar availability | | √ | |
| View Other user Calendars | √ | √ | √ |
| Calendar Pop-ups | √ | √ | √ |
| Set Alarms | √ | √ | √ |
| View Global Events | √ | √ | √ |
| Paper Organizers Templates | √ | √ | √ |
| Automatic Outlook Calendar Sync3 | | √ | |
