Step by Step Guide to Migrate OST to Office 365

  1. To migrate single / multiple mailboxes, grant access rights to one service account in your Office 365. You can do this by setting impersonation rights to that account.

    Click here to know the steps to set Impersonation rights in Office 365

    a. Grant one service account with impersonation rights and migrate every mailboxes using this account. You need not impersonate all the users.
    b. Ensure that the impersonated user account has access permission to each associated Mailbox (Users).

  2. a. Download the EdbMails setup and install it on your computer where you have your OST file.  Download

    b. Double click the EdbMails setup (EdbMailsSetup.exe) to start the installation process.

    c. On the Welcome page, click 'Next >' to proceed. And to complete the installation, follow the instructions that appear on the installation screens accordingly.


  3. Click the 'Start Your Free Trial' button

    Demo login EdbMails

  4. a. Select 'OST Recovery' and click 'Continue'

    select edb

    b. In the next screen, select the OST file from which you wish to migrate the mailboxes to Office 365.
    Click the 'Browse for OST' button to navigate to where the OST file is located and click the 'Continue' button.

    select edb

  5. a. Right click the Tree view and select the Mailbox / folder that you wish to export to Office 365. Choose the 'Migrate Selected Mailboxes / Folders to Office 365 Server' popup menu item to continue with the export operation.


    b. Click the 'Migrate to Office 365 [Incremental]' option to continue.


    b. Enter the Office 365 account credentials to connect to Office 365 and click 'Login to Office 365'
    Before connecting to Office 365, set the impersonation rights to a user.
    Click here to know how to set the impersonation rights.


    c. After successful login, verify all the required mailboxes are listed and click 'Continue'.


    d. In the next screen, map the OST mailboxes to Office 365 mailboxes and click on 'Migrate OST to Office 365' to start the migration.


    e. During migration operation, detailed progress will be displayed as shown in the below screenshot


    f. Once the migration operation is completed, the message 'Migration operation has been completed.' will be prompted.

Video Tutorial for OST to Office 365