We have found one software suitable in our database for this conversion.
Both .odb and .dbf files are databases, which means that odb to dbf conversion is typically searched for options how to migrate these databases and which tools to use. Since ODB format is used in various OpenDocument based solutions, such as OpenOffice or LibreOffice, these are most likely your best options how to export the files, certainly at least for export to one of the exchange formats if not to the DBF format.
Updated: September 13, 2023
ODB
An odb file extension is related to OpenDocument database format used by OpenOffice.org Base application. An (ODF) is an open XML-based document file format for office applications to be used for documents containing text, spreadsheets, charts, and graphical elements.
DBF
A dbf file extension is related to dBASE III/IV database management system. A .dbf file stores database.