Import OST to Office 365 step-by-step

OST to Office 365 Migration

Select the option 'OST Recovery' and click the 'Continue'.

Choose OST file that you wish to export / migrate

Click the 'Browse for OST' button to navigate to where the OST file is located and click the 'Continue' button.

Migrate to Office 365

Select (check) the required mailbox / folders and click the 'Migrate to Office 365 [Incremental]' button to continue. Alternatively, you can right click on the selected mailbox / folders and select the option 'Migrate Selected Mailboxes / Folders to Office 365 Server'.

Login to Office 365

Click here for the detailed steps on Office 365 login using EdbMails

On successful login, you will be displayed with the list of mailboxes.

Load Mailboxes from CSV

After successful login, if the automatic mailbox listing has failed to retrieve all the mailboxes name then you need to load all the mailboxes name using .csv file. However, if the listing is successful then you can ignore this step and continue to next step.

Click here for the detailed steps on listing mailboxes using '.CSV' file

Click the 'Continue' button.

Map Source and Target Mailboxes

Map the source mailboxes to target Office 365 mailboxes. Click here for the details.

Start the Migration Operation

Click the 'Continue' button to start the migration operation.

That's it! During migration operation, you can view the progress as shown below.

Appropriate message will be displayed on completion of the migration operation.

Click the 'View Log' button to view the migration operation log.

Login to your Office 365 account to verify migrated items such as emails, calendars, contacts etc.