# CalDAVconnect > CalDAVconnect is a cloud service that provides bidirectional calendar sync between self-hosted CalDAV servers (Nextcloud, SOGo, Radicale, Baïkal) and Google Calendar or Microsoft 365. Changes sync within seconds on paid plans. It is hosted in Germany (Hetzner, Nuremberg), fully GDPR compliant, and encrypts all event data at rest. ## What problem does it solve? Google Calendar and Microsoft 365 do not support CalDAV. There is no native way to sync a self-hosted CalDAV calendar with these cloud services. Common workarounds like ICS feed subscriptions are read-only and update only every 12–48 hours. CalDAVconnect bridges this gap by connecting to CalDAV servers via the CalDAV protocol and to cloud calendars via their respective APIs (Google Calendar API, Microsoft Graph API). Changes sync bidirectionally within seconds on Solo and Pro plans using webhooks and CalDAV polling. ## Key features - Bidirectional sync in seconds on paid plans (hourly on the free plan) - Works with Nextcloud, SOGo, Radicale, Baïkal, Posteo and any CalDAV-compliant server - Syncs with Google Calendar and Microsoft 365 - Webhook-based change detection for cloud calendars, fast polling for CalDAV servers - Recurring events and exceptions supported - Hosted in Nuremberg, Germany (Hetzner) — GDPR compliant - All event data encrypted at rest - Setup takes about 5 minutes ## How is it different from alternatives? - **ICS feed subscriptions**: Read-only, 12–48h delay, no conflict handling. CalDAVconnect is bidirectional and syncs in seconds on paid plans. - **Outlook CalDAV Synchronizer**: A COM Add-in that no longer works with New Outlook. CalDAVconnect is cloud-based and works regardless of the Outlook version. - **DAVx⁵ / CalDAV clients**: These sync a single device. CalDAVconnect syncs server-to-server, so all devices connected to either calendar see changes instantly. ## Pricing Free plan: 1 connection, hourly sync, no credit card. Solo from €2/month (1 connection, syncs in seconds). Pro from €5/month (5–15 connections). See the pricing page for details. ## Pages - [Homepage](https://caldavconnect.de/): Product overview, use cases, and FAQ - [Pricing](https://caldavconnect.de/pricing): Plans and pricing details - [Blog](https://caldavconnect.de/blog): Guides and tutorials (English and German) - [Sign up](https://caldavconnect.de/en/register): Create a free account - [Privacy Policy](https://caldavconnect.de/datenschutz): Data processing details (German) - [Legal Notice](https://caldavconnect.de/impressum): Company information (German) ## Blog articles - [How to Sync Nextcloud Calendar with Google Calendar](https://caldavconnect.de/blog/nextcloud-google-calendar-sync): Why ICS feeds fail and how CalDAVconnect provides bidirectional sync in seconds. - [Outlook CalDAV Synchronizer Alternative for New Outlook](https://caldavconnect.de/blog/outlook-caldav-synchronizer-alternative): Why the COM Add-in no longer works and what to use instead. - [How to Use Calendly with Nextcloud or SOGo](https://caldavconnect.de/blog/calendly-caldav-nextcloud-sync): Sync your CalDAV calendar to Google Calendar so Calendly sees up-to-date availability. - [Sync SOGo Calendar with Microsoft 365 and Outlook](https://caldavconnect.de/blog/sogo-microsoft-365-sync): ActiveSync vs. cloud sync and why CalDAVconnect is the modern solution. ## Contact - Website: https://caldavconnect.de - Support: support@caldavconnect.de