Public Folders migration to O365

Vlastimil Sopuch
Vlastimil Sopuch used Ask the Experts™
Hi Experts,

What's the best practice of moving an on-premises, non-mail enabled public folder contacts and calendars to O365?
This will be a hybrid migration and we'd like to decommission the PFs as a part of the project. We're aware that they'd be accessible for online users during the hybrid, but that's not an option here.

Is shared mailbox for each PF a way to go or?
What's the easiest way to migrate?

Thank you
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Server engineer
The best way to migrate public folders to office 365 is described in below article-

However as you said you can also migrate public folders to shared mailboxes.

Migration from Public Folders to Shared Mailbox
You can also migrate public folder content to a shared mailbox in Exchange Online.
1.      Export public folder data into a .PST file.
2.      Set up a shared mailbox in Exchange Online, and then open the shared mailbox in Outlook.
3.      Open the exported .PST file in Outlook.
4.      Drag the desired data to the shared mailbox.

Refer attached Word document from MS-

There are also some third party tools, like bitittan, code2 software and Kernel Migrator for Exchange – Express Edition.

Reference Articles-


Thanks mate, appreciated.
Saif ShaikhServer engineer


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