1. login in myaccount.microsoft.com 

like abc.d@standard-group.com

2. go to Devices option 

3. Click the Downarrow option 

4. View Bitlocker Keys option will be visible after a while 

5. Click View Bitlocker Keys

6. Click Show Recovery Key 

7. Copy the Recovery Key 

8. Click the drive to recover & paste Recovery Key into Recovery Key option 


View https://www.youtube.com/watch?v=J1UMvVuyQAU