Move mailbox from Office365 back to Exchange 2010

Indie101 used Ask the Experts™
We have a hybrid environment, exchange 2010 sp3, with 2016 hybrid exchange server with no licences and Office365

Looking to move them back i have found a few articles below, first one is for Exchange 2013 and upwards

Second one the exchange GUID for the mailbox is the same in EMS on Exchange 2010 and Exchange Online

So I dont see where changes in above document could be relevant

Does anyone have an update walkthrough for migrating mailboxes to Exchange 2010 from Office365?
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1. Set up the current account in Outlook for Windows via Exchange mode and in FILE > Info > Account
settings > Account Settings > choose the account > change > Offline Settings, choose All.

2. Then export all its data to a pst file to back up the data.

3.Use the same method to import the PST files to the on-premise mailboxes respectively.

Additionally, you mat also get help from migration solutions like; Lepide and CodeTwo to migrate from office 365 to echange 2010 easily.

Hope this helps!
Most Valuable Expert 2015
Distinguished Expert 2018
The steps are pretty much the same with 2010, but if you need detailed guide, look here:


Thanks Shiv Gupta, tried that last night but the exchange guid for on premises and exchange online was the same

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