You can export recovered mailboxes from a corrupt or damaged EDB file to a live Exchange server using a professional Exchange recovery tool, such as Stellar Repair for Exchange.

By using this software, you can easily select a corrupt EDB file, scan it, and restore all the mailboxes and mailbox items, such as, calendars, contacts, journals, attachments, etc. Then you can export the recovered mailboxes to a live Exchange server.

The following steps will help you to export multiple mailboxes to live Exchange server:

  • Launch Stellar Repair for Exchange and click Browse to select the Exchange Database (EDB) file to be repaired or click Find to search the EDB file from the available folders and drives, if EDB file location is not known.

    Launch Stellar Repair for Exchange and click Browse to select the Exchange Database (EDB) file to be repaired or click Find to search the EDB file from the available folders and drives, if EDB file location is not known.
     
  • Click Next and then choose Quick or Extensive Scan. Click Quick Scan for a faster scan of the corrupt database. Extensive Scan is best suited for performing deep scans of severely corrupt database files. 

    Click Next and then choose Quick or Extensive Scan. Click Quick Scan for a faster scan of the corrupt database. Extensive Scan is best suited for performing deep scans of severely corrupt database files. 
     
  • After scanning, the software will display a preview of all the recovered mailboxes and mail items of repaired EDB in a three-pane view.
  • You can preview and select recovered mailboxes that you want to export to the live Exchange server.

    You can preview and select recovered mailboxes that you want to export to the live Exchange server.
     

Steps to Export Multiple Mailboxes to Live Exchange

  • After the scan, select the recovered mailboxes and select the Save Mailbox option from the Home ribbon. A Save As dialog box with multiple saving options appears. Choose Export to Exchange Server. Click Next to proceed.

    After the scan, select the recovered mailboxes and select the Save Mailbox option from the Home ribbon. A Save As dialog box with multiple saving options appears. Choose Export to Exchange Server. Click Next to proceed.
     
  • The Enter Login Credentials dialog box appears, offering two methods to connect to the Live Exchange Server: Use Autodiscover Email or manually enter the server details. Click OK to proceed

    The Enter Login Credentials dialog box appears, offering two methods to connect to the Live Exchange Server: Use Autodiscover Email or manually enter the server details. Click OK to proceed
     
  • The Load Mailbox List dialog box will appear. Click the Browse button to select the CSV file containing the list of mailbox users. Click OK.

    The Load Mailbox List dialog box will appear. Click the Browse button to select the CSV file containing the list of mailbox users. Click OK.
     
  • Map Mailboxes screen appears displaying mapped and unmapped mailboxes. By default, all repaired mailboxes are listed in alphabetical order. This screen can be used for functions such as setting priority to export the mailbox data, map source mailboxes to desired destination mailboxes, applying a filter for exporting the data, etc. Click on Export to proceed. 

    Map Mailboxes screen appears displaying mapped and unmapped mailboxes. By default, all repaired mailboxes are listed in alphabetical order.

    Note: When you click Export, a Confirm Mailbox Export dialog box appears informing you that the export process, once started, cannot be aborted. Click Yes to proceed with the export process. Click No to cancel.

    When you click Export, a Confirm Mailbox Export dialog box appears informing you that the export process, once started, cannot be aborted.
     
  • Save dialog box appears.

    Save dialog box appears.
     
  • A Saving Complete dialog box opens, displaying a message Process completed successfully and displays the number of saved mailboxes, aborted mailboxes, removed mailboxes and failed mailboxes.

    A Saving Complete dialog box opens, displaying a message Process completed successfully and displays the number of saved mailboxes, aborted mailboxes, removed mailboxes and failed mailboxes.
     

Steps to Export Single Mailbox to Live Exchange

  • Right-click on a mailbox after scan and choose Export to Exchange Server.

    Right-click on a mailbox after scan and choose Export to Exchange Server.
     
  • Enter Login Credentials dialog box opens, select Use Autodiscover Email or Manually enter details to connect to the Live Exchange server. Click OK.

    Enter Login Credentials dialog box opens, select Use Autodiscover Email or Manually enter details to connect to the Live Exchange server. Click OK.
     
  • If you want to filter the scanned results before saving, click on Apply Filter.
  • The progress bar will appear, displaying the status of mailbox processing, mails of folder processing, and the number of mails processed.

    The progress bar will appear, displaying the status of mailbox processing, mails of folder processing, and the number of mails processed.


    Note: To stop the export process, click the Stop button.
     
  • The Process Complete dialog box will appear, displaying the message "Data exported successfully." Click OK.

    The Process Complete dialog box will appear, displaying the message
     

To export recovered Exchange mailboxes to Office 365 refer to this article: exchange to office 365 migration