System Requirements

Windows

Windows 10 and 11

Outlook

Desktop Outlook, Office 365 and versions 2013-2021

Mail Servers/Protocols

• Microsoft Exchange
• Office 365 service with the desktop Outlook application
• Exchange Active Sync (EAS) (Outlook.com or Hotmail)
• POP3/SMTP
• IMAP is supported experimentally. Most functions work as intended, but there are occasional quirks. Best results are obtained with the newest versions of Outlook.

Incompatible configurations

• "New" (universal) version of Outlook. Click here for details.
• Non-Outlook email clients such as Eudora and Thunderbird
• Lotus Notes, Domino and Connector
• Apple Mac OS email clients
• Web Mail without POP3 access
• Zimbra, Open-Xchange, Zarafa and other 3rd party "Exchange compatible" servers