| Windows Version 1 (Legacy) | Windows Version 2 | Office 365 | |
| Outlook for Windows 97+ | ✔ | ||
| Outlook for Windows 2007+ | ✔ | ✔ | |
| Outlook for Windows 2013+ | ✔ | ✔ | ✔ |
| Outlook for Mac 2016+ | ✔ | ||
| Outlook on the web for Exchange 2013, Exchange 2016+ and Office 365 | ✔ | ||
| Outlook Mobile (Android/iOS) | |||
| Native Add-in | ✔ | ||
| Autoupdate Enterprise | ✔ | ✔ | |
| Autoupdate Personal | ✔ | ✔ | ✔ |
| Fully Automatic Duration Change | ✔ | ✔ | |
| Fully Automatic Agenda Insertion | ✔ | ✔ | |
| Simple Text Agenda | ✔ | ✔ | ✔ |
| Html Formatted Agenda | ✔ | ✔ | |
| Rtf Formatted Agenda | ✔ | (✔) | |
| Docx Formatted Agenda | ✔ | ||
| Replace Duration Menu | ✔ | ✔ | |
| “Named” custom durations | ✔ | ✔ | |
| Managed by local INI file | ✔ | (✔) | |
| Managed by Cloud | ✔ | ✔ |
