Priv1.edb files stores messages, headers, and attachments, however,Priv1.stm stores MIME data, such as audio files, video recordings, and many more digital media files.However, due to unwanted factors, these database files gets affected,which halts user
access to the required data. The most prominent factors, responsible for EDB file damage. Deletion or inaccessibility are : Exchange Server crash, improper mounting, log file deletion, and many more.
To Get Out of this nudging situation, Try this third party
Edb To Pst Converter
which is capable of making your inaccessible EDB again into the usable state.