Exchange mail box restore getting hanged from the Tape backup

@Adarsh.op creating recovery point or live browse from tape copy is not supported , you will need to do database out of place restore and then try offline mining from restored Db.

https://documentation.commvault.com/11.20/recovering_messages_from_exchange_database_live_browse.html

reference:
https://documentation.commvault.com/11.20/restoring_exchange_database_out_of_place_to_different_disk_location.html

https://documentation.commvault.com/11.20/recovering_messages_from_offline_exchange_database.html

@Adarsh.op 

Where you able to recover the data needed using the recover from offline database?

https://documentation.commvault.com/2024/expert/recovering_messages_from_offline_exchange_database.html

OR 

https://documentation.commvault.com/2024/essential/recovering_messages_from_offline_exchange_database.html