Where can I find a appropriate software to open SVAN 947 or 949 files?
The official developer of SvanPC offers the application to open 947 and 949 files. The application actually allows you to open 94x files. Access the official website to download it and any additional applications.
Download page: http://svantek.com/lang-en/support/software.html
Note: Make sure you run the setup package as Administrator. Right click the setup file and choose Run as Administrator.