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Differences between Outlook Calendar and Google Calendar

Microsoft Outlook Calendar and Google Calendar have many similar features and important differences. This article compares features and summarizes differences.


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Note: Comparisons are based on Microsoft Office versions 2010, 2013, and 2016.

In Outlook Calendar... In Google Calendar...
Schedule a meeting or appointment Create an event
Create recurring events Create repeating events
Transfer ownership of an event by deleting and then recreating the event Change the event's owner
Schedule one-on-one meetings as individual meetings Create one-on-one meetings or bookable appointment slots
Add attendees to an email invitation Add groups or guests to event details
See if people are free or busy

See if people are available and choose from suggested meeting times

Note: To see if people using Microsoft Exchange are available, your administrator must enable Google Calendar Connector. For details, see Administrator Setup for GWSMO.

See new meeting times from Gmail users in Outlook Accept new meeting times from Outlook users in Gmail
Schedule a conference call Automatically add video calls in event details
View calendars side by side Overlay calendars
Give Delegate Access to calendars Delegate calendar access
Use importance markers to identify events Use color-coding to distinguish events and calendars 
Publish a calendar Make a calendar public
Select time zones for an event Narrow time zone selection by country
Transfer ownership of an event by deleting it and recreating it with a different owner Change the event's owner in an existing event
Remove yourself by deleting an event and recreating it with a different owner Remove yourself from an existing event

If you're using both Outlook and Google Calendar

For events that reoccur on the 31st of the month, in Outlook, you see the event on the last day of every month, even ones with less than 31 days. In Google Calendar, you see the event only in months that have 31 days.

If you're working with Outlook Calendar users

Forwarding meeting invitations—If you create a meeting in Google Calendar, you can choose the option to prevent guests from inviting other people. If an attendee who is using Google Calendar and Outlook forwards the meeting from Outlook, the person who gets the forwarded invite will not be added to the event, even if they accept it in Outlook.

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