An Exchange Public Folder saves some shareable email messages, documents, posts, and eForms. It is vital for a business to keep such information healthy and safe. One necessary reason for Public Folder backup is the unavailability of replication for public folder mailboxes. The stored content remains in the public folder, but Microsoft does not replicate it to other servers. Due to the data centralization, the Exchange Administrator is accountable to keep it safe and a backup ensures that when a catastrophe occurs, then they can restore the data back to a public folder. There will be additional reasons for public folder data backup like the following –

  • To limit the expansion of public folders and reduce the cost of Office 365 storage.
  • To provide offline access to the public folder data for a variety of uses, such as forensic examination of critical emails and maintaining business continuity in the event of server problems.
  • To recover particular Office 365 user emails that were unintentionally deleted.
  • To transfer user information beyond the company.
  • In order to backup important data from shared or public files.

But, there are not many manual methods to export Office 365 Public folders to PST available as the size of public folders is often too large which makes it almost impossible to export. So, how can users export their public folders to PST format quickly?

With the help of an automated tool like Kernel Office 365 Backup and Restore, you can easily export public folders to Outlook PST as well as restore Office 365 mailbox from PST. It is considered as one of the best utilities to export Office 365 public folders to PST.

Kernel Office 365 Backup & Restore

It is among one of the great Office 365 tools that can be used to export public folders to Outlook PST. It is empowered with some great features and provides some great benefits to users which include:

  • Backup Office 365 mailboxes to PST without installing Outlook
  • Exports Office 365 public folders to Outlook PST
  • Works with on-premises/hosted Exchange & Exchange Online
  • Export User/Archive/Shared mailboxes & Groups to PST
  • Advanced filters to extract specific data
  • Skip empty/deleted folders or duplicate data
  • Save the export report to CSV file.

Moreover, the functioning of the tool is pretty impressive, as it doesn’t include any difficult Steps. Even non-technical users can easily work with the tool.

Follow the below Steps to export Office public folders to Outlook PST:

  1. Download the software and install on your system.
  2. On launching the tool, a window will appear on the screen with two options: Backup and Restore. Select the “Backup” option. launch Office 365 Backup & Restore tool
    Note: If you want to Export multiple mailboxes, then you must have an Office 365 account with administrative privileges.
  3. In the new window, click the “Add” button to add Office 365 account details. In the next window, provide the Office 365 credentials. Add Office 365 credentials
  4. Once Office 365 account is added, click “Set filters and Migrate.” Set filters and Migrate Data
  5. In the next Step, select “Public Folder” from the right drop-down menu and click “Migrate.” Select Public Folder to Migrate
  6. The process will take 4-5 minutes to complete. With this advanced tool, you get filter option to export public folders based on your requirements. So, set the filters like Date, Item type, Mailbox folders, etc. and click “I am OK Start Migration.” Apply filters like Date, Item type, Mailbox folders, etc
  7. Select the specific location where you want to save the public folders in PST format. Select Location to Save Data
  8. The Save As pop-up window will appear on the screen. Select the PST option and click OK. Select the PST option and click OK
  9. The tool will take some time to export public folders to PST. Once it is complete, you’ll receive a notification on your screen displaying: Process Completed

You can save this report to CSV format, and this CSV file can be used to restore public folders to Office 365. To restore public folders to Office 365, select the “Restore” option of the software.


Exporting Office 365 public folders to Outlook PST is essential for backup purposes. But, having no easy manual methods to export public folders to PST makes it a little tricky. So, prefer using professional tool to export Office 365 public folders to Outlook PST.