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 Home » Freeware Downloads » Office, Home Office and Writing » Outlook CalDav Synchronizer 2.24.0   
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Outlook CalDav Synchronizer 2.24.0
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server.


Free Outlook Plugin, which synchronizes events, tasks and contacts between Outlook and Google, SOGo, Horde or any other CalDAV or CardDAV server. Supported Outlook versions are 2016, 2013, 2010 and 2007.

This project was initially developed as a master thesis project at the University of Applied Sciences Technikum Wien, Software Engineering Degree program. Outlook CalDav Synchronizer is Free and Open-Source Software (FOSS), still you can support the project by donating on Sourceforge or directly within the About dialog of our Plugin.


free and open-source software (FOSS), the only free Outlook CalDav plugin (AGPL license)
tested CalDAV servers: SOGo, Google Calendar, Horde Kronolith, OwnCloud, SabreDAV, Synology NAS, GroupOffice,, Yandex, OpenX-change, Posteo, Landmarks, Kolab, Zoho Calendar, GMX, Tine 2.0, Fruux, Mac OS X Server, iCloud,, Radicale, Cozy Cloud
modern WPF GUI
Supporting OAuth2 for Google
SSL/TLS support, support for self-signed certificates
Manual proxy configuration support for NTLM or basic auth proxies
Autodiscovery of calendars and adressbooks via well-known redirects or DNS SRV/TXT lookups
configurable sync range
sync multiple calendars per profile
sync reminders, categories, recurrences with exceptions, importance, transparency
sync organizer and attendees and own response status
task support
CardDAV support to sync contacts (distribution lists planned)
Google native Contacts API support with mapping of Google contact groups to Outlook categories.
Google Tasklists support (sync via Google Task Api with Outlook task folders)
sync contact pictures, categories, notes and x509 certificates
manual or time-triggered sync
change-triggered sync
sync triggered by Outlook Send/Receive
Category Filtering (sync CalDAV calendar to Outlook categories)
map CalDAV server colors to Outlook category colors
show reports of last sync runs and status
configurable system Tray Icon with notifications
bulk creation of multiple profiles
Use server settings from Outlook IMAP/POP3 account profile
Map Windows to standard IANA/Olson timezones
Configurable mapping of Outlook custom properties


Released 2017/09/12
New features
Add support for RFC7986 per-event color handling, mapping of Outlook category color to COLOR attribute, feature request #76.
Add ProfileType for
Add ProfileType for iCloud contacts.
Add support for mapping Distribution Lists to iCloud contact groups.
Use Credentials and Proxy from profile for Weblclient to download photo URL, fixes syncing of contact photos for iCloud and others, feature request #71.
Add general option to a) Log all entity synchroniaztion reports and b) to include entity names in entity synchronization reports.
Bug fixes
Avoid ArgumentNullException in Nodatime timezone conversions, ticket #674,#677
Ignore redundant entities in GetTransformedEntities.
Fix invalid DTSTART in VTIMEZONE, gh issue #210.
Some code cleanup and refactoring.

Downloads Views Developer Last Update Version Size Type Rank
146 2,802 Zehetbauer/Nimmervoll <img src=""border="0"> Oct 03, 2017 - 11:55 2.24.0 3.54MB ZIP 5/5, out of 2 Votes.
File Tags
Outlook  CalDav  Synchronizer  2.24.0  
Download Time
56Kbit Modem:  8m 50s  · 256Kbit:  1m 56s  · 1Mbit:  29s  · 5Mbit:  6s

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