.MDB File Extension

Database file created by Microsoft Access, a widely-used desktop relational database program; contains the database structure (tables and fields) and database entries (table rows) as well as data entry forms, queries, stored procedures, reports, and database security settings.

Access is included with some Microsoft Office software packages, but it is only available for Windows. MDB files may be imported by a variety of other programs.

Database file used by several different Avid video editing and finishing software products; contains indexed information about the media assets used by a video editing project; used as a cache that tracks the resources with up-to-date information.

MDB files are generated automatically by the software in the folders where media assets reside. If they are deleted, the software rebuilds them.