Thanks in advance for any responses!!
Thank you for writing us.
These files are DBISAM data files. You can use the free DBISAM utility from: http://www.cyber-matrix.com/dsdownloads.html
or download the DBISAM Viewer from: http://www.scalabium.com/dbisam/ (it is shareware product, you can use if free for 30 days.)
Best regards,
Alexander Bednyakov
MP Staff