Mp3 files have image files shown in File Explorer, yet image file is absent when converted to wav even though I've replaced the image files after converting to wav.
Also, when wave file is played in Win Amp, image files are missing yet when looked at in Mp3tag the image files are there. Is this natural with wav files?
Yes. At least for wav files displayed in the WIndows Explorer.
Windows does not support tags in wav files very good.
The sarch function in this forum also gives e.g. this hit:
and many more.