Best methods to migrate public folders to Office 365

Best methods to migrate public folders to Office 365
5 min read

Public folder to Office 365 migration is a vital step for organizations looking to boost collaboration along with a smooth workflow. In this guide, we will outline two fundamental manual approaches for such a seamless and successful transition. 

These methods are designed to provide users with a straightforward and effective pathway to move public folder data to the cloud with full data integrity and zero disruptions. Moreover, for those in need of a more streamlined and less labor-intensive process, we recommend the professional utility, Kernel Migration for Exchange. 

This tool comes with advanced features to handle complex migrations with ease and is an invaluable asset for businesses seeking to optimize their migration strategy. Join along and get expert insights to discover the best methods for your organizational needs.

How to migrate public folders to Office 365? [Top methods]

Here are the two methods to migrate public folders to Office 365 with ease.

Method 1: Use Microsoft public folder migration script

For migrating public folders to Office 365, you can utilize the Microsoft Public Folder Migration script. This is a complex procedure and needs users to have tech expertise. Make sure to follow these below steps carefully.

  • To start with, download and save the Public Folder Migration scripts on your PC where you use PowerShell.Best methods to migrate public folders to Office 365
  • Download Mail-enabled Public Folders – directory sync script. It comes with two files.Best methods to migrate public folders to Office 365
  • Download SourceSideValidations.ps1 PowerShell script.
  • Run the above script in PowerShell and scan the Exchange server.

Note: Users must keep in check that there are no orphaned and no duplicate public folder mail objects.

Follow the guide at Microsoft suggested reference library and finish the Exchange server public folder to Office 365 migration.

Method 2: Using Outlook

Outlook Export/Import wizard is another alternative that can help users to migrate public folders to Office 365.  Follow the below steps to know more.

  • Access Outlook and go to the File menu.
  • Tap on Open & Export and click on Import/Export.Best methods to migrate public folders to Office 365
  • Choose Export to a file and tap on Next.Best methods to migrate public folders to Office 365
  • Select the option Outlook Data File (.pst) and tap on Next.Best methods to migrate public folders to Office 365
  • Choose the Public Folder and hit Next.
  • Checkmark the box to Include Subfolders of the selected Public Folder.
  • Tap on Browse and select your desired location to export the PST file.
  • Tap on Finish. This exports the Public Folder as a PST file at your selected location.

Note: This method has a limitation of public folders for size up to 30 Gb or less. So, make sure to keep this size limitation in mind.

You can now import this PST into Office 365 manually with these steps mentioned below:

  • Download Public Folders Migration Scripts.
  • Execute the below script to generate the CSV file:

        .\Export-PublicFolderStatistics.ps1 YourServerName.csv

  • It is now time to map the source public folders to Office 365.

       .\PublicFolderToMailboxMapGenerator.ps1 MailboxSize ImportFilePath ExportFilePath

  • Create the public folder on Office 365 based on the mapping file.
  • With the New-PublicFolder cmdlet, create the Public Folder in each of the public folder mailboxes.
  • Import the PST files into Office 365 with the Outlook Import/Export Wizard.
  • Assign public folder permissions with the EAC.

For users looking to move away from the manual approaches to migrate public folders to Office 365, Kernel Migration for Exchange can be your go-to automated resolution. This utility assists users with its easy-to-use interface for public folder migration to Office 365 and avoids the complex public folder structure. Offering the immediate rollback feature, this software can instantly undo any mistakes done during the migration.

Equipped with top-quality filters, users can carry out the migration as per the defined date range and include/exclude criteria. Even when you perform the migration, the tool lets you sync the mailboxes from source to target or vice versa. With all these high-end features, this utility becomes a no-brainer when looking to migrate public folders to Office 365. 

For a better experience, you can also go for the free trial version and get a sneak peek into its migration capabilities.

Last say

Our guide has wrapped up the best manual methods to migrate public folders to Office 365. Our stepwise guidance would make your migration tasks easier but still some level of technical expertise is a must.

To help non-tech users, we have also presented an automated resolution with Kernel Migration for Exchange. With its easy-to-use interface and advanced features, the tool is well-known for rapid and accurate public folder to Office 365 capabilities. Try out the utility today.

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Shrish Singh 2
Joined: 1 year ago
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