Steps to Export Exchange Mailbox with Enstella EDB to PST Export Software-1) Scan & Repair. 2) Expand Mailboxes & its mail messages. 3) Export EDB to PST. Enstella export exchange mailbox tool always helps to built-up new PST file from EDB file. Our EDB to PST Export utility has the unique concept to repair offline EDB file and fix Exchange database files. Download trail version free-of-cost and evaluate its functionality with your EDB file.