Merge Google Calendar and Outlook Into One Feed (No Sync Tool)

If you've searched for how to combine Google and Outlook calendars, most of the results are two-way sync tools that copy events back and forth between accounts. That's powerful, but it's often more than you need — and it usually means connecting both accounts and paying for a subscription. If you just want to see everything in one place, merging is simpler.

Merge vs. sync — which do you need?

• Sync keeps two calendars mirrored so you can edit events in either one. Use it when you need to write to both.
• Merge (what iCal Merge does) produces one read-only feed that shows every event from your sources. Use it when you just need a single combined view you can share.

Step 1: Get the secret iCal address from each calendar

In Google Calendar, open the calendar's Settings → Integrate calendar → copy the Secret address in iCal format. In Outlook, go to Settings → Calendar → Shared calendars, publish the calendar, and copy the ICS link.

Step 2: Merge and subscribe

Add both links as sources in iCal Merge. You'll get one feed containing your Google and Outlook events. Subscribe to that single link from whichever calendar app you live in, and both sets of events appear together — and stay current as either calendar changes.

When you actually do need sync

If you need to create or edit events in both calendars from one place — or you need free/busy to update in both directions — a dedicated two-way sync service is the right tool. iCal Merge is for the (very common) case where you just want one combined, shareable view without the overhead.