Samsung Kies contacts (like .spba libraries) can be exported and saved in separate files in one of the suitable formats that can imported to other personal managers or devices, such as Comma Separated Value files (.csv). But you can do this only with the original Kies software and perhaps only in certain versions of it.
Convert Samsung Kies phone contacts library to Comma Separated Value.
We found 2 software records in the database related to .spba to .csv file format conversion.
Microsoft Windows software - convert spba to csv on Windows
A free software for managing of latest Samsung mobile devices
Convert from spba file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned spba to csv. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert spba to csv on OS X
Management and sync utility for Samsung mobile devices