Can I say well noted? You can write “OK” or “okay” but not “Ok”. “Well noted” is unnatural. In BrE, we sometimes write “Duly noted” but I would simply say “Thanks, I have noted the contents of your email”.

Is it OK to reply noted?

Noted. when used as a response to a request by someone, is a very short and succinct way to say that you understood what you were asked to do. It is like saying. I understand (and I will act do what you want me to do).

What can I say instead of well noted?

well noted > synonyms

»accurately stated exp. »good at talking exp. »i agree with you exp. »well said exp.