It might be possible to import SLK data files to Microsoft Excel and save them in form of Access database.
Convert Microsoft Symbolic Link format to Microsoft Access main database.
We found one software available in the database for this conversion.
Microsoft Windows software - convert slk to accdb on Windows
A popular spreadsheet application distributed with Microsoft Office suite
Convert from slk file format
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.