Convert Public Folder to Shared mailbox

lee roberts 161 Reputation points
2021-05-19T14:19:41.793+00:00

We are in the process to migrating form exchange 201 to O365. We have a number of public folders that we would like to convert to shared mailboxes.

I was wondering the easiest way of doing this. Is there a way to do this using powershell?

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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Windows Server PowerShell
Windows Server PowerShell
Windows Server: A family of Microsoft server operating systems that support enterprise-level management, data storage, applications, and communications.PowerShell: A family of Microsoft task automation and configuration management frameworks consisting of a command-line shell and associated scripting language.
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  1. Kael Yao-MSFT 36,501 Reputation points Microsoft Vendor
    2021-05-20T05:47:31.527+00:00

    Hi @lee roberts

    Agree with Andy, the easiest method to do this should be:

    1. create new shared mailboxes on O365
    2. use Outlook to export the items in the public folders to PST files
    3. use Outlook to import the PST files into the shared mailboxes

    Below are links of the Outlook export/import process:
    Export:Back up your email
    Import:Import email, contacts, and calendar from an Outlook .pst file


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  2. Andy David - MVP 137.9K Reputation points MVP
    2021-05-19T14:20:51.117+00:00

    There is no built-in method.
    You would need to create a shared mailbox, move the items to that mailbox and move the SMTP address of the public folder if mail-enabled.