Office 365 to PST Export

I. Prerequisites for Office 365 mailbox export

• Step 1: Assign the Organization Management role in Exchange online

  The Organization Management is an elevated role that is required to migrate or export mailboxes and Public folders from the source to the PST file.

• Step 2: Set the impersonation rights for the global administrator

  See how to set the impersonation rights on Office 365 for the admin account to migrate mailboxes on behalf of other users in your organization. Verify if the source and target admin account in general has the following management roles assigned:

  1. ApplicationImpersonation
  2. View-Only Configuration
  3. View-Only Recipients
  4. Public Folders
  5. User management administrator/Global administrator
• Step 3: Ensure that the global admin has a valid mailbox

  The administrator who is performing the export must have a non hidden mailbox on the source Office 365 tenant.

• Step 4: Verify if all the users have a valid Office 365 mailbox

  Before you perform the export operation, ensure that all the users in your organization have valid mailboxes and have been assigned suitable licenses.

  1. Add users and assign licenses to Office 365 users
  2. Add several users at the same time to Office 365
  3. Assign Microsoft 365 licenses to user accounts
• Step 5: Verify if you have a valid Public folder on Office 365

  If you plan to export the Public folders to PST, ensure that you create and configure the Public folder mailboxes on the source.

   Create Office 365 Public folder and assign mailbox user

• Step 6: Install Microsoft Outlook on your computer

  For exporting mailboxes to PST with EdbMails, you need to have Microsoft Outlook installed on your computer. Install the latest applicable updates for MS Outlook and ensure that you have sufficient disk space on your computer to save the output PST file.

• Step 7: Create a new profile in Outlook for all users

  For a successful PST export operation, you must create a new Outlook profile.

   See how to create an Outlook profile for a single user and create an Outlook profile for all users in a domain.

II. How to export Office 365 mailboxes to Outlook PST?

Enter your global administrator credentials to authenticate.

 Connect to Office 365 server using secure modern authentication. You can use EdbMails to export Exchange online mailboxes, Public folder and Archive mailboxes to PST. The following steps describe the export operation.

• Step 1: Download EdbMails Office 365 software setup

  • Download EdbMails and install the application on the source computer.

     See a detailed list of EdbMails system requirements for Office 365 migration.

    

  • Launch the application and click 'Login' or 'Start Your Free Trial'.

    

  • Select the migration technique as Office 365 migration.

    

• Step 2: Connect to the source Office 365 tenant as Global Administrator

  In the Connect to Office 365 (Source) window, select the authentication method as Auto or Manual registration for modern authentication. Select one of the following connection methods to export the required items.

  • Connect to Mailboxes
  • Connect to Public folder
  • Connect to Archive Mailbox (In-Place Archive)

  

  

  After you authenticate and log in successfully, select one of the methods to load the mailboxes. You can also load and export the mailboxes using a CSV file.

• Step 3: Select the mailboxes and folders to export to PST
  1. EdbMails displays a list of mailboxes from the source Office 365 tenant.
  2. Select the mailboxes and folders that you want to export.
  3. Click 'Export to Outlook PST' and map the mailboxes and folders from your Office 365.

  

  Tip: EdbMails provides the following additional options to help you customize the Office 365 export operation based on a Date and other conditions.

  1. Additional Include and Exclude Filter Options and migration settings for mailboxes.
  2. Filter emails by Date: Export to PST by applying the Date filter
  3. Filter emails by Size: Exclude emails from migration larger than a specified size.
  4. Split the target PST file upon reaching the user-defined size

  

• Step 4: Start the Exchange to PST export operation

  Select the export method as 'Full export to Outlook PST' or 'Incremental export'. With the incremental export and migration, only the newly added or updated items in your mailboxes are considered for the export. The initial export with EdbMails is always a full one. Browse the location where you want to save the PST file and start the export.

  

• Step 5: Import the PST file into Outlook and verify the mailboxes

  After EdbMails finishes the operation, you can verify the number of items, folders and mailboxes with the log report. Finally, add the PST file in Outlook to view and verify the output file.

  

Advantages of using EdbMails for Exchange online to PST export

• EdbMails is an all-in-one tool that can not only export Office 365 mailboxes to PST but it can also help you migrate single or multiple PST files in bulk to Office 365 and Exchange.
• You can split the output PST file into manageable size during the export operation.
• EdbMails has a free PST file viewer that you can use to view both ANSI and Unicode PST files.
• EdbMails free PST merge tool can combine multiple PST files into a single file.
• Incremental export from the same mailbox considers only the newly added items.
• Export to Outlook PST without mailbox or mail items size limits.
• User-friendly tool to backup your Office 365 mailboxes without manual methods or retention policy constraints.

 Related Links

1. Video - Export Office 365 mailboxes to PST
2. Office 365 tenant to tenant migration
3. Office 365 to Exchange migration