We suggest using the Outlook email client because it gives you integrated access to your email, personal and shared Exchange Online calendars, your To Do list and your OneDrive personal filestore.

Use the Outlook email client and/or mobile app (PC, Mac, iOS, Android) If you ever experience problems using the Outlook desktop client, you can usually still get to your email in your browser using the OWA. – to go to your Microsoft 365 homepage and select Outlook icon.– to go directly to your Outlook mailbox.Open a web browser and go directly to the Outlook Web App (OWA) or via the Microsoft 365 portal: How to access your Exchange Online mailbox Webmail: the Outlook Web App (all users, including Linux) Username = Account type = Work or School account.However you choose to connect to your Exchange Online mailbox, you will be asked to sign in to your University of Cambridge Microsoft account using these credentials: How to log in to your Exchange Online mailbox The Outlook program has to orchestrate the migration and there is always a chance something is going wrong with the cache of the Outlook mail program.How to access and log in to your Exchange Online mailbox using either the Outlook Web App (webmail), Outlook or other email clients. In my case, the migration of my mails meant that over 100.000 emails were transferred from one mailbox to another in a matter of hours. Property is not valid for this object type. ChangeKey is required for this operation. Operation would change object type, which is not permitted. Here are some examples of error messages that I have observed: There error messages contained the information about the mail (the subject line), the time at then the error in the synchronisation happened, the error message itself, the details of this error message and some kind of cryptic error code. Unfortunately, some of the mails that were migrated showed up in the Sync Error dialog and reported some kind of error message. In order to migrate the whole mailbox from one account provider to the other, I used Microsoft Outlook for Mac device running the latest macOS operating system and Outlook 16.6 (latest version at the time of writing this blogpost).

This migration also meant I had to move over all of my existing emails from Google to Microsoft. Recently I made the switch from Google Gmail to Microsoft Outlook for my personal emails.

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