Several embroidery design programs support both the PES (Brother, Babylock, Bernina) and the EMB embroidery formats and as such could re-save one to another so they can be used in different stitching machines. Should be easy enough.
Convert Brother Embroidery file format to Embroidery design file.
We found 3 software records in the database related to .pes to .emb file format conversion.
Microsoft Windows software - convert pes to emb on Windows
A free software for viewing and converting of various embroidery formats
Convert from pes 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 pes to emb. 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.
An easy embroidery and apparel decoration design software
Multiplatform software - convert pes to emb on any platform
An embroidery editor and converter