Connect Outlook Calendar with Cal ID
Connect Microsoft 365 and Outlook to manage availability across your organisation.
The Outlook Calendar integration connects Outlook Calendar with Cal ID so you can keep your calendar in sync with no manual work. It is built for anyone who lives in their calendar, from solo founders to whole sales and support teams. Once you link the two, every booking, reschedule, and cancellation flows through Outlook Calendar automatically, and your Cal ID booking pages keep working exactly as before. It sets up in about a minute from the app directory and is free on every Cal ID plan, with no extra fees.
Why connect Outlook Calendar
Two-way calendar sync
Cal ID reads Outlook Calendar in real time so you are never offered a slot you are already busy for, and writes every new booking straight back.
No double-booking
Every confirmed meeting blocks the time on Outlook Calendar instantly, across all your connected calendars.
Availability that stays current
Reschedules and cancellations update Outlook Calendar automatically, so invitees always see your real availability.
Free on every plan
The Outlook Calendar integration is included on every Cal ID plan, including the free plan, with no per-seat fees.
How teams use Outlook Calendar with Cal ID
Personal scheduling
Keep your Outlook Calendar and Cal ID in lockstep so personal and work events never collide.
Team availability
Show accurate team availability by syncing every member’s Outlook Calendar in real time.
Client bookings
Let clients book only when you are genuinely free, straight from your Outlook Calendar.
How to connect Outlook Calendar with Cal ID
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Open the Cal ID app directory
Sign in to Cal ID and find Outlook Calendar in the integrations directory.
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Connect Outlook Calendar
Click connect and authorize Cal ID to work with your Outlook Calendar account.
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Start booking
Outlook Calendar now works with every Cal ID booking automatically. There is nothing else to configure.
More Calendars integrations
Google Calendar Sync your real-time availability with Google Calendar. No double bookings, ever. 
Apple Calendar Sync events with iCloud so your Apple Calendar stays up to date automatically. 
Notion Calendar All of your commitments in one place - connect Notion Calendar to Cal ID. 
Zoho Calendar Online business calendar for team scheduling and event management. Outlook Calendar integration FAQs
Common questions about connecting Outlook Calendar with Cal ID.
01 Is the Outlook Calendar integration free?
Yes. The Outlook Calendar integration is included on every Cal ID plan, including the free plan, at no extra cost.
02 How do I connect Outlook Calendar to Cal ID?
Open the Cal ID app directory, find Outlook Calendar, click connect, and authorize access. It takes about a minute and works with your booking pages right away.
03 Does the Outlook Calendar integration prevent double-booking?
Yes. Cal ID checks your Outlook Calendar calendar in real time and hides any slot where you are already busy, so two meetings never collide.
04 Do I need a paid Outlook Calendar account?
No. The Cal ID side is free on every plan. You only need whatever Outlook Calendar account you already use, and Cal ID adds no fee for the integration.
05 Can I disconnect the Outlook Calendar integration later?
Yes. You can disconnect Outlook Calendar from the Cal ID app directory at any time and reconnect whenever you like. Your booking pages keep working either way.
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