.WMDB File Extension
File TypeWindows Media Database File
What is a WMDB file?
Library of media files located by Microsoft Windows Media Player; contains a list of references to audio and video files located by Windows Media Player after scanning the hard disk for media files; typically named "CurrentDatabase_###.wmdb."
The WMDB file is referenced by Windows Media Player, but is not meant to be opened manually. WMDB files are used by Windows Media Player 9 and later.