Maya Transfer Uvs. With the options in the image selected select transfer ive seen people select topology instead of component here your uvs should now be transferred. Go to meshtransfer attributes and select the option box icon.
You will need to unwrap the re topologized mesh in maya and after that bake the details in from the zbrush one. Duplicate your polygon mesh. Select edit mesh average vertices.
Step 3 leave the default settings and hit transfer thats it.
On the duplicate select the vertices you want to smooth. After selecting the objects go and switch your view to polygons 1 and then go to meshtransfer attributes click on the option box and a pop up will show. Merged character parts head body exported to obj rigged with mixamo reimported uvs totally gone. Select object with laid out uvs then select other objects that require the same uv layout.