Technical Specifications

The OpenProtocols Connector allows Microsoft Outlook® to integrate with some of the largest messaging systems in the world, via open protocols (CalDAV and CardDAV), providing the highest level of Outlook integration.

An Outlook plugin that uses open protocols like CalDAV, CardDAV to provide the highest level of Outlook integration.

Compatible Messaging Platforms

The below is a list of messaging platform providers available through the OpenProtocols Connector. Please see our desktop website for details on the features these providers support.
  • Apple iCloud
  • Yahoo!
  • Zimbra
  • Fruux
  • MailEnable
  • Atmail
  • FastMail
  • IceWarp
  • Kerio
  • SmarterMail
  • Apple Calendar Server
  • Synology
  • Radicale
  • OwnCloud
  • Haystack
  • FullContact

Outlook® IMAP Comparison

The following table provides a comparison between Outlook® when configured using IMAP, and Outlook® configured using the OpenProtocols Connector.

Feature IMAP Open- Protocols
Email Messages
Email Folders
Server Contacts
Server Calendar
Server Tasks
Contact Groups
Global Address List
Server Notes
Integrated Free Busy
Offline Support

Generic Functionalities

The following table outlines the functionalities the connector provides via IMAP/CalDAV/CardDAV/SMTP protocols. Please see our desktop website for details on these functionalities.
  • Calendar (CalDAV)
  • Contacts (CardDAV)
  • Tasks (CalDAV)
  • Message Folders (IMAP)
  • Message Notifications (IMAP)
  • Contact Groups (CalDAV)
  • Global Address List (CalDAV)
  • Notes (IMAP)
  • Free/Busy Support (CalDAV Scheduling)
  • Offline Support (Connector)
  • Notes (IMAP)