What is .DB2 file?
Video information file generated by a Samsung CCTV recording system; contains information about a corresponding .BU video file.
DB2 files are saved with BU files in the same directory and have the same filename, expect for the extension. For example, a video recording may generate the files 12300000.bu and 12300000.db2. These files should not be separated since they are both read by Samsung video recording software.
Recommended Software Programs to open .DB2 file