About the Outlook CalDav Synchronizer

Outlook CalDav Synchronizer is a free Outlook Plugin, which synchronizes events, tasks and contacts between Outlook and Google, SOGo, Nextcloud or any other CalDAV or CardDAV server. Supported Outlook versions are Office 365, 2019, 2016, 2013, 2010 and 2007.

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The Outlook CalDav Synchronizer offers a two-way synchronization of calendars, tasks and contacts between Outlook and several CardDAV providers.

Open Source

The Outlook CalDav Synchronizer is Free and Open-Source Software (FOSS). You can find and contribute to the source code on github.


The plugin is compatible with many popular CalDAV providers, including Google Calendar, SOGo and Nextcloud.

Latest Blogposts

Nextcloud Conference

Video available at

Project of the Month

We are Staff Pick Project of the Month on SourceForge. An interview is available in the blog: https://sourceforge.net/blog/march-2017-staff-pick-project-of-the-month-outlook-caldav-synchronizer/

Video tutorial

A nice video tutorial showing how to sync Outlook with Google calendar with our addin! https://www.youtube.com/watch?v=kY4NDcdgzEc

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