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Hello, <br />
<br />
We have a hybrid Exchange environment of Exchange 2010 and O365.<br />
<br />
99% of our user's mailboxes are online. &nbsp;The public folder is still living in the on-prem environment. <br />
<br />
Can someone suggests a good article that gives instructions of how to migrate on-prem Exchange 2010 public folders to online? &nbsp;Our on-prem public folder's hierarchy contains a lot of folders and deep level sub folders. &nbsp;Is there a limitation in O365 or any cautious steps we should pay attention to?<br />
<br />
Please advise. &nbsp;Thanks in advance ; )
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Hello, 

We have a hybrid Exchange environment of Exchange 2010 and O365.

99% of our user's mailboxes are online.  The public folder is still living in the on-prem environment. 

Can someone suggests a good article that gives instructions of how to migrate on-prem Exchange 2010 public folders to online?  Our on-prem public folder's hierarchy contains a lot of folders and deep level sub folders.  Is there a limitation in O365 or any cautious steps we should pay attention to?

Please advise.  Thanks in advance ; )

Exchange 2010 public folder migration to online.

Office 365 is a group of software plus services subscriptions that provides productivity software and related services to its subscribers. Office 365 allows the use of Microsoft Office apps on Windows and OS X, provides storage space on Microsoft's cloud storage service OneDrive, and grants 60 Skype minutes per month. Office 365 includes e-mail and social networking services through hosted versions of Exchange Server, Skype for Business Server, SharePoint and Office Online, integration with Yammer, as well as access to the Office software. All of Office 365's components can be managed and configured through an online portal; users can be added manually, imported from a CSV file, or Office 365 can be set up for single sign-on with a local Active Directory using Active Directory Federation Services.

Microsoft 365

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.