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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.

How to connect Nextcloud, SOGo, Baïkal, Radicale, Posteo, mailbox.org, Synology and generic CalDAV servers — including the per-server specifics.

Authorize Google Calendar or Microsoft 365 with one click, understand the permissions, and re-authorize when needed.

How calendar pairs work, choosing a sync direction, conflict handling, and what gets synced.

Real-time push, fast polling, sync frequency per plan, and the limits to be aware of.

Fixes for authentication errors, app passwords, re-authorization, missing events, and common questions.