Files with bxd file extension can be found as database files from Broken Cross Disk Manager by Kevin Fucik.
BXD file extension - Broken Cross Disk Manager database
What is bxd file? How to open bxd files?
File type specification:
The bxd file extension seems to have been in the past used for a database file type from Broken Cross Disk Manager Kevin Fucik.
Broken X Disk Manager is a Sharewaredisk catalog for managing and archiving disks of any kind (CDs, DVDs, floppies, Zip disks, USB sticks, network shares) under Microsoft Windows.
Looks like the website of the program is no longer active, and the support and development ceased.
This bxd file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.