How to sync Outlook Calendar with Google Calendar
All five methods compared: free ICS subscription, one-time export, OGCS, Zapier, and continuous sync.
Updated July 12, 2026
Outlook + Google Calendar sync, explained.
Practical guides to getting your Outlook calendar into Google Calendar: every setup method, the honest limitations of the free routes, troubleshooting for the common failures, and tool comparisons with real prices.
Outlook calendar not syncing with Google Calendar
The 12–24 hour delay, fetch errors, empty calendars, wrong times, duplicates — causes and fixes.
Updated July 12, 2026
How often Google Calendar refreshes ICS subscriptions
The reference numbers: 12–24+ hours, no manual refresh button, and what to do about it.
Updated July 12, 2026
Sync a work Outlook calendar to a personal Google Calendar
For work accounts: publishing blocked by IT, privacy questions, and a no-write-back setup.
Updated July 12, 2026
One-way vs two-way calendar sync
Definitions, a side-by-side table, and why one-way is usually the safer choice for work calendars.
Updated July 12, 2026
Best Outlook to Google Calendar sync tools in 2026
Eight options compared on direction, speed, platforms, write-back behavior, and price.
Updated July 12, 2026
Calendar sync in the new Outlook
Classic add-ins don't run in the new Outlook. Here is what still works after the switch.
Updated July 12, 2026
Outlook calendar export vs continuous sync
A one-time .ics export is a snapshot. Continuous sync keeps following changes. Which fits?
Updated July 12, 2026