Outlook CalDav Synchronizer
Outlook CalDav Synchronizer (Open Source) · current 4.7.1
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The current version of Outlook CalDav Synchronizer is 4.7.1 (as of 17/08/2026). patchletter checks the official source daily and emails you new releases.
Outlook CalDav Synchronizer at a glance
The plugin connects Microsoft Outlook to any CalDAV and CardDAV server and synchronizes appointments, tasks and contacts in both directions. Supported services include Nextcloud, SOGo, mailbox.org, Google and other groupware systems. This lets Outlook act as the familiar front end for self-hosted or external calendar and address management.
The add-in is maintained as open source and published in versioned editions through the public project archive. New editions add server profiles, adjust to current Outlook and .NET versions, and harden the processing of XML responses.
When updating, watch compatibility with the Outlook and .NET version in use; after installation it can be worth re-checking the synchronization profiles. In distributed environments a central rollout is recommended so that time-zone and character-set settings stay consistent and syncs run reliably.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 4.7.1 | STABLE | 17/08/2026 | Release notes → |
Frequently asked questions
- What is the latest version of Outlook CalDav Synchronizer?
- Outlook CalDav Synchronizer 4.7.1, released 17/08/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the Outlook CalDav Synchronizer release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new Outlook CalDav Synchronizer updates?
- Tick Outlook CalDav Synchronizer off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new Outlook CalDav Synchronizer version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/outlook-caldav-synchronizer)https://patchletter.com/badge/outlook-caldav-synchronizer.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
