It may be possible that Navicat software can export its own databases and their backups to a CSV (Comma Separated Value) format. Other than that, there might be now other way how to perform this conversion.
Convert Navicat uncompressed database backup file to Comma Separated Value.
We have found one software suitable in our database for this conversion.
Microsoft Windows software - convert psb to csv on Windows
Navicat Premium is database administration tool for Microsoft Windows. It is able to connect and manage MySQL, Oracle and PostgreSQL databases.
Convert from psb file
to csv file
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.