COM Add-In vs Outlook Add-In
| COM Add-In | Outlook Add-In |
|---|---|
| Specific to Windows computers | Work on any web-based Outlook platform |
| Supplemental program that runs at startup of Outlook | Consists of a manifest that describes how the add-in integrates into Outlook, as well as JavaScript/HTML code. |
| Are downloaded .dll or .exe files that are installed on your PC | Does not have any code that is installed on your device |
Outlook add-ins are different from COM or VSTO add-ins, which are older integrations specific to Outlook running on Windows.
PoliteMail does not use any VSTO add-ins.
