Variously embroidery formats, including the standard .emb (embroidery) files which are used as defaults in several program, can be exported or converted to other embroidery formats, so they can be used in different stitching or sewing machines. So it is very possible to convert .emb files to .vp3 files used in Husqvarna/Viking/Pfaff machines.
Convert Embroidery design file to Husqvarna/Viking/Pfaff embroidery format.
We have found 2 software records in our database eligible for .emb to .vp3 file format conversion.
Apple macOS / Mac OS X software - convert emb to vp3 on OS X
Converter for embroidery designes
Convert from emb 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 emb to vp3. 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.
Multiplatform software - convert emb to vp3 on any platform
An embroidery editor and converter