You need to follow the below mentioned steps to activate the software offline. 

Offline Registration enables you to register the product when your computer does not have an Internet connection or you are unable to activate the software online.

To register the software offline: 

  • From the Register window, select ‘Offline Registration’. Click on OK.
  • An Offline Registration dialog box will appear displaying Registration ID in its respective field. 
  • To get your License Key, which is required to register the software manually, you need to mail the listed Registration ID to support@stellarinfo.com. 
  • A License Key will be sent to your email address after verifying the Registration ID and purchase details by Stellar Technical Support. 
  • After receiving the License Key, open Stellar Outlook PST Repair. In Register window, select 'I have the registration key'. 
  • Select Offline Registration and click on OK. 
  • Enter the License Key received through email in the field of License Key.
  • Click on Register to activate the software. A confirmation message is displayed after entering the key. Click on OK.