We have found one software suitable in our database for this conversion.
fdb to dbt conversion is probably related as export between two database file types, certainly from FoxPro format to the outdated text memo format. Your best option to deal with FoxPro format is to actually use the software itself, but perhaps alternative database software might be of help as well.
Updated: July 31, 2023
FDB
An fdb file extension is associated with the FoxPro database management system and used for its default database file format.
DBT
Files with dbt file extension are mainly found as database notes, some sort of memo descriptions for databases based on xbase applications (FoxPro, Visual FoxPro, dBase, Clipper, dBFast etc.).