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Migrate Public Folders to Office 365 Using the Best Solution

Published By Ashwani Tiwari
Tej Pratap Shukla
Approved By Tej Pratap Shukla
Published On April 3rd, 2024
Reading Time 6 Minutes Reading

Overview: In today’s world the process to migrate public folders to Office 365 is not as difficult as it was before. We have come up with a trusted and reliable solution by experts to carry out the migration. You can also try out the utility for free and get your data migrated to Microsoft 365 securely. Additionally, there is also a free way for public folder migration to Office 365. You can check out both the procedures and go with the one that seems easy and efficient.

Public folders are very important to your organization because they are used to share important data between team members. Once these folders are enabled as mail-enabled folders, team members can also share their mail with these public folders. Thus, it increases the importance of public folders. Whenever an organization plans to move to Office 365, then public folders are on that list of “Data to be Migrated”.

Once you have created a list of public folders that you are planning to migrate to Office 365, then comes the situation where you have to choose a secure and trusted solution. But before directly jumping into the solutions, let’s find out what preparation we should do before migration.

Table of Content 

Necessities to Move Public Folders to Office 365 

  1. Make sure that you are using the current version of the Exchange server. Prepare the Active Directory for the seamless migration.
  2. You need to get the Organization Management or Server Management RBAC role.
  3. Verify the size of the folders is less than 25 GB. If folders have more than 25 GB of data then break them into smaller folders.
  4. Only 100 public folders can be migrated at once.
  5. Enable the MRS proxy on the Exchange server.

Top Solution to Migrate Public Folders to Office 365

Considering the sensitivity of mailbox data stored in the public folders, it is always recommended to go with the top-notch solution. Going with the wrong utility can result in data loss and many more negative repercussions. Thus, this Public Folder to Office 365 migration tool is considered the best choice by users.

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The wide range of features offered in this utility makes it one of the best tools for the migration process. This tool supports both Public (pub.edb) and Private (priv.edb) mailbox folders. Another useful feature of this tool is that it offers users an option to perform in-depth recovery on mailbox folders if required. The advanced recovery mode can fix even the severe corruption levels of the file.

Along with public folder migration to Office 365, users can also convert EDB files to PST, PDF, MBOX, MSG, and several other file formats. You can try this software for free without purchasing the licensed version of it.

Public folder migration to Office 365

Move Public Folders to Office 365 Step By Step

  1. Run Public Folder to O365 Migration Software.
  2. Load the Pub.edb file into the tool.
  3. Preview folder data and choose an export option.
  4. Choose Office 365 and start the migration process.

Looking for a tool migrate complete Exchange data? Get the best Exchange to Office 365 Migration Tool here.

Upload Exchange Public Folders to Office 365 Using a Free Way

Even though the aforementioned solution is one of the perfect ways of migrating public folders, many users still look for some free procedures using which they can get their job done. The free procedure is a bit complex, and lengthy and demands proper technical expertise as any miscalculation can create a mess.

So, if you are also trying to proceed with the manual process, please make sure that you have created a proper project plan and have enough experience to migrate public folders to Office 365 successfully. A brief overview of all the migration steps is described below. You can get the detailed steps for migration here.

A Step by Step Guide for Public Folders Migration to Office 365

  • Step 1. Open Outlook > File > Open & Export.
  • Step 2. Now choose Import/Export > Export to a file > Outlook data file (.pst)
  • Step 3. Choose the Public Folder and then Next.
  • Step 4. Tick the checkbox to Include Subfolders of the chosen Public Folder.
  • Step 5. Hit on Browse to Save the Resulting file and Finish.

Now, you can upload the resulting Outlook data file into Office 365 to migrate public folders to Office 365 using the below steps:-

  • Step 6. Download the Scripts of Public Folders Migration.
  • Step 7. Then execute the below script to create a CSV file:

     .\Export-PublicFolderStatistics.ps1 MyServerName.csv

  • Step 8. Do mapping the source Public Folders to Office 365.

.\PublicFolderToMailboxMapGenerator.ps1 MailboxSize ImportFilePath ExportFilePath

  • Step 9. Prepare a Public Folder on the destination Office 365 account. 
  • Step 10. Then use the New-PublicFolder cmdlet, and create a topmost Public Folder in each Public Folder mailbox.
  • Step 11. Now add the PST files into Office 365 using the Outlook Import Export Wizard.
  • Step 12. Apply Public Folder permissions using the (EAC).

Although the process looks quite simple and short, there are multiple prerequisites that you need to conduct to ensure a successful migration. Additionally, there are high chances of getting stuck or encountering error messages if you don’t have the proper expertise. So, if you need a seamless and error-free process, we would recommend the best public folder for the Office 365 migration tool discussed above.

If any user has a disconnected Exchange mailbox and wants to access it, then he/she can read this article to know the steps to export PST from disconnected mailbox.

Final Verdict

After understanding the troubles faced by the users while migrating Public Folders to Office 365, we have come up with an effortless solution. The advanced solution has a long list of features that make the migration job simple and efficient. It is always recommended to go with the best available solution while evaluating the significance of public folder data for users. Hence, you are able enough the pick the right one to migrate public folders to Office 365.

Frequently Asked Questions

Q Can we create public folders in Exchange Online?

Ans –  No, we can create or delete public folders in Office 365. But we can move public folders to Office 365.

Q What is the maximum size of the public folder that can be migrated to Office 365 easily?

Ans – For migrating public folders to Office 365, the size should be less than or equal to 25 GB.

Q Do I need a Live Exchange Server for public folder migration to Office 365?

Ans – No, the software does not require a Live Exchange Server environment for migration to O365.

Q Is this application capable enough to migrate public folders to Office 365 with large-size files?

Ans – Yes, this utility uses up-to-date algorithms that allow users to transfer large-sized as well as severely corrupted mailbox folders.


By Ashwani Tiwari

I am an Expert Technical Analyst, specialized in assisting users with complex technological challenges. Through my blogs and articles, I offer expert guidance to help tackle these technical issues effectively. My true passion lies in providing valuable insights and simplifying complicated technicalities, enhancing user understanding and confidence.