OST to Office 365 Migration Tool

Follow Instructions to Ensure How to Import OST into Office 365


Step 1: Run the software and click on Add File button. You can also search for the OST file by clicking on Search icon


Step 2: The software will generate complete preview of OST file items including attachments. Loading emails and viewing it's content is optional you may skip and directly click on Export Button.


Step 4: Click on Export button, Choose the appropriate options

  1. Choose Export All Folders to export all items.
  2. Export Selected Folder to export selected items.
  3. Now choose Office 365, log file location and click on Export Button and you a new form will open.


Step 5: Enter your Office 365 mailbox credentials in which you want to Import data and Click on Sign In button.


Step 6: The software will perform the migration of your data to office 365 platform. You may pause and resume the process in between the migration process if required.


Step 7: You will get a confirmation message once the migration process get completed.




Step 1: Before proceeding the migration, create a CSV file containing OST file paths, Office 365 user ID and Password.


Step 2: Now launch the software and click on the Bulk Export button.


Step 3: Select the CSV file you have created for the migration to Office 365 mailboxes. Select required Export option like Export to Primary Mailbox or Export to Archive mailbox as per your need and Click on the Next button. Date Filter is optional which can be used to migrate data of specific date range.


Step 4: The software will start uploading OST files to O365 mailboxes. You can check the status through progress bar. You may also pause or resume the migration process if rquired.


Step 5: The software produce a confirmation message No of files have been exported successfully to your Office 365 mailbox. Click on Ok button.



Importing OST data to O365 portal using Impersonate Export is very helpful especially when you don't have passwords of all Exchange Online user mailboxes and want to migrate all data at one go. But before using this advance feature you need to provide ApplicationImpersonation rights and Full Access to the Admin Account.

Step 1: In the very first step, create a CSV file containing OST file paths and Office 365 user ID in which do you want to import OST files.


Step 2: Now launch the software and click on the Impersonate Export button.


Step 3: You will get a confirmation message about roles and rights required to Impersonate Export option. If you need to know how to grant these permissions then please click on Learn More button otherwise press OK button.


Step 4: Now login with the Office 365 Global administrator account that has all the rights discussed in above step.


Step 5: Now browse the CSV file you have created for this migration project. Select the required export option like Export to Primary Mailbox or Export to Archive Mailbox. Select destination location to save log file and click on Export button.

Note: Date filter is an optional choice which is used to migrate data of specific date range.


Step 6: The software will start importing OST data to Exchange Online mailboxes. You may check the status in progress bar and also can psue or resume migration if required.


Step 5: later, you will get a confirmation message that No of files have been exported successfully to your Office 365 mailbox. Click on Ok button.