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Documentation
Everything you need to connect your calendars and keep them in sync. New here? Start with the first guide.
Getting started
Connect your first calendars and run your first sync in about five minutes.
Connecting your CalDAV server
How to connect Nextcloud, SOGo, Baïkal, Radicale, Posteo, mailbox.org, Synology and generic CalDAV servers — including the per-server specifics.
Connecting Google & Microsoft 365
Authorize Google Calendar or Microsoft 365 with one click, understand the permissions, and re-authorize when needed.
Calendar pairs & sync direction
How calendar pairs work, choosing a sync direction, conflict handling, and what gets synced.
How sync works
Real-time push, fast polling, sync frequency per plan, and the limits to be aware of.
Troubleshooting & FAQ
Fixes for authentication errors, app passwords, re-authorization, missing events, and common questions.