Both the .crp and .db2 databases originate from dBASE albeit probably from different versions. It is likely some dBASE database management software could convert the data from one to another. Or perhaps some dedicated database conversion utilities may be of help here.
Convert dBASE IV encrypted database to dBASE II database.
We have found one software suitable in our database for this conversion.
Microsoft Windows software - convert crp to db2 on Windows
dBASE is widely used database management system (DBMS). dBASE has own programming language and supports many database formats. dBASE supports many platforms, such as Apple Mac, Microsoft Windows, Unix, MS-DOS, CP/M, Apple II etc..
Convert from crp file
to db2 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.