Use the Microsoft 365 Mail Migration and Calendar Sync app to migrate your mail, calendar, and chat data to Microsoft 365 or to keep Google Calendar and Microsoft Calendar events in sync.
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Listing updated:April 21, 2025
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Overview
Installing this app enables mailbox migration to Microsoft 365 by granting the necessary permissions to a project created for admin-led migrations within a Google Workspace account. In cases where Microsoft 365 tenant admins choose to maintain calendar data synchronization across Microsoft 365 and Google Workspace, the app also supports ongoing calendar sync. This app has no standalone function beyond admin-led migration and calendar sync-enabled scenarios.
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PricingFree of charge
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Microsoft 365 Mail Migration and Calendar Sync will ask for the permissions shown below. Learn more
Microsoft 365 Mail Migration and Calendar Sync will need access to your Google account
This will allow Microsoft 365 Mail Migration and Calendar Sync to :
Read, compose, send, and permanently delete all your email from Gmail
Manage your sensitive mail settings, including who can manage your mail
See, edit, share, and permanently delete all the calendars you can access using Google Calendar
See, edit, download, and permanently delete your contacts
See and download contact info automatically saved in your "Other contacts"
View customer related information
View calendar resources on your domain
See info about users on your domain
View usage reports for your G Suite domain
View your tasks
See your primary Google Account email address
See your personal info, including any personal info you've made publicly available
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