If you want to migrate public folders from Exchange server to the public folders Office 365 using Stellar Migrator for Exchange, you will have to create a separate job. This is necessary because the software will migrate Emails and archives together but not public folders.

Steps to migrate public folders from Exchange server to Microsoft 365 using Stellar Migrator for Exchange

  1. Download and run Stellar Migrator for Exchange.
  2. In the JOB ribbon, click on New to create a new migration job.

click on New to create a new migration job

  1. Configure general setting of the job
    • Enter the Job Name.
    • Select Exchange server as the source server type.
    • Select Microsoft 365 as the destination server type.
    • Once you have configured the General settings, click on Next.

click on Next

  1. Choose the Mailbox type as public folder as shown in the image below.

Choose the Mailbox type as public folder

  1. Now you need to connect the software to the source Exchange server. For this:
    • In the Connect Source section, you can check the Use Autodiscover Email checkbox and enter only the email address and password to establish the connection.
    • As an alternative, you can manually enter the IP address or the name of the Exchange server along with the credentials and connect the source server to the software.
    • Click on Validate to check if the user credentials are correct. 

Click on Validate to check credentials

  1. To connect the Target Microsoft 365 account to the software, you will have the following options:
    • Auto registration: With this option, you will be redirected to the Office 365 login window and there you will have to login with the Global admin account credentials. Auto app registration - Source window appears, displaying the registration process. This includes steps such as registering the application in Azure AD, and assigning Microsoft Graph API permissions. When the registration is successful, the check icon next to each step, such as Registering the application in Azure AD, assigning Microsoft Graph API permissions, and granting admin consent for these permissions, will turn green.
    • Manual Registration: If you select this option, you will have to manually register an application with Azure AD and note the client ID, tenant IDs and client secret value. You then need to enter these values in the respective fields and connect to Microsoft 365. 

connect the Target Microsoft 365 account to the software

  1. Once the cloud-based server is connected, you can you can see the list of mailboxes that the software found on the target Microsoft 365. Click on Next.

Once the cloud-based server is connected

  1. In the next step, the software will map the public folders on the source Exchange server to the public folders on Microsoft 365 account.

software will map the public folders

  1. In the Date filter section, You will get the following options:
    • Migrate All Items: If you select this option all the public folder data will be migrated.
    • Migrate items older than: If you select this option, the public folder items that is older than the selected date will be migrated
    • Migrate items not older than: If you select this option, the software will migrate the public folder items that was received after the selected date.
    • Migrate only items from: With this option, you can select a date range and the public folder items that fall in that date range will be migrated. 

choose Date filter 

  1. Next is the Folder type filter section, here you can include or exclude specific folders from being migrated. By default all, the folders are selected, if you want to exclude a particular folder you can un-check the check box in front of that folder.

un-check the check box in front of that folder

  1. Choose the number of public folders to migrate concurrently, with a maximum limit of 10.

Choose the number of public folders to migrate concurrently

  1. Review and confirm all configuration settings in the Summary before proceeding with the migration. If you want to make changes in any section, you can select that section and make the changes. Once you have confirmed all the changes, click on Finish. Your migration job will be created successfully.

click on Finish

  1. The created job will be displayed on the Job screen. You have to click on Start under the Job ribbon to initiate the migration.

click on Start under the Job ribbon to initiate the migration

  1. When you start the job, the status of that job turns to green as shown in the image. On the screen, you can see the progress and details of the complete job. You can also see the progress of individual public folder item along with other details.

progress of individual public folder item along with other details

  1. At any point you can pause the migration process by using the Pause button under the Job ribbon. In the paused state, the status of the job will turn oranges. To resume the job click on Resume under the Job ribbon.

click on Resume under the Job ribbon

  1. When you scroll towards the right, in the job progress section, you can see the migration status of the public folders. If any public folder item fails to migrate, you can see the reason here; fix it and then re-run the migration. The software supports incremental migration and duplicate data will not be transferred.

migration status of the public folders

  1. Similarly, you can view the status of items in the public folder as shown below.

view the status of items in the public folder

  1. At any point, you can generate a Migration report for the public folder. Clicking on the save icon. You can save this generated report on your system.

generate a Migration report for the public folder

  1. Once the public folder is migrated, the Action status for it changes from Migrate to Don’t Migrate. Additionally, the Migration progress will change to Completed. When the Migration progress of all the public folders is changed to Completed, the job will be done. The color of the job will change to Blue.

color of the job will change to Blue

  1. You can then access your Target Microsoft 365 account and check if all the public folder items are migrated successfully.