The first request for this function was CRM 4.0, and now it is here (Release Wave 1 2020).
Dynamics Copy / Paste in email is now possible, and will be released in April.
Thank you Balachandar Swaminathan for finding this
https://in.linkedin.com/in/balachandar-swaminathan-40a39020
Continue Reading Thomas Sandsør’s Article on their blog
https://crmkeeper.com/2020/02/18/dynamics-365-email-copy-paste/
Blog Syndicated with Thomas Sandsør’s Permission