The Migrate Files/Attachments to Azure feature will help you migrate the Files/Attachments from Salesforce to Azure. The files will be stored in proper folders corresponding to the parent records in Salesforce. This feature can also be configured to replicate complex hierarchical structures from Salesforce in Azure during the migration.
Once the migration is completed, the migration data along with the relevant parent data from Salesforce can be extracted..
To extract the data, follow : https://satrangtech.freshdesk.com/a/solutions/articles/17000146006