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Learn how to easily convert mail enabled public folders to a shared mailbox in Office 365 without using third-party tools. Follow our step-by-step guide to export and import your emails.
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A Guide to Converting Mail Enabled Public Folders to a Shared Mailbox in O365

If you’re using Office 365 (O365) and are looking to convert Mail Enabled Public Folders into a Shared Mailbox, you might have realized there is no straightforward conversion tool available. This might leave you wondering if there’s a way to accomplish this without resorting to third-party software. In this guide, we’ll explore the necessary steps you should take to perform this conversion, ensuring you can manage your emails efficiently in the cloud.

Understanding the Challenge

In Office 365, Mail Enabled Public Folders and Shared Mailboxes are fundamentally different object types. This means you cannot directly convert one into the other with a simple command. The absence of a dedicated PowerShell CMDLet for this task adds to the complexity. However, with a little patience and some manual steps, you can complete the transformation successfully.

Step-by-Step Solution

Here, we break down the conversion process into manageable steps so you can follow along without getting overwhelmed.

1. Create a New Shared Mailbox

Log into Office 365 Admin Center: Navigate to the Exchange Admin Center.

Create a Shared Mailbox: Choose “Shared” and fill out the necessary details such as the mailbox name and email address.

Gain Access: Ensure that you have full access permissions to the newly created shared mailbox. This might require you to modify roles or permissions within the Admin settings.

2. Export Public Folder Emails to a .PST File

Use Outlook: Open Microsoft Outlook on your computer.

Add the Public Folder: If you haven’t done so, add the public folder to your Outlook account.

Export Emails:

Go to File Open & Export Import/Export.

Choose Export to a file and select Outlook Data File (.pst).

Select the public folder you want to export and choose a location to save the .pst file.

3. Import .PST File into Shared Mailbox

Open the Shared Mailbox: In Outlook, switch to the shared mailbox view.

Import the .PST File:

Again, go to File Open & Export Import/Export.

Select Import from another program or file, and choose Outlook Data File (.pst).

Browse to the saved .pst file from the public folder and follow the prompts to complete the import process.

Final Thoughts

While converting mail-enabled public folders to shared mailboxes in O365 requires a few manual steps, it is certainly achievable without third-party tools. By creating a new shared mailbox, exporting the emails to a .pst file, and then importing them back into the shared mailbox, you can successfully manage your communications in one place.

Make sure to double-check permissions after completing each step to ensure all users who need access to the shared mailbox can do so smoothly. If you're facing any issues during the process, feel free to consult the Office 365 documentation or reach out to support for further assistance.

With this guide, you should be well on your way to successfully converting and managing your public folder emails!