Here is a quick tip on how to change that behavior.
This fix will only apply to emails that are being composed in HTML or Rich text.
opt for mail format tab and then editor options.
Next punch the advanced options on the left.
Scroll down a little ways and you will see the cut, copy, and paste options.
Drop down each option and select match destination formatting or keep text only.
you’re free to also hit the smart cut and paste options to fine tune your pasting.
