Allow the use of Email signatures that can be used for standard emails to be addable to the email body when creating a calendar event. At the moment you have to type in a "Kind Regards..." manual. This looks unprofessional.
Dear Product Team, I am writing to you today to suggest a new feature for our product: the ability to keep the last used signature as the default signature in an email thread. I believe this feature would be a valuable addition to our product for ...
Ability to initiate an email message from within an ongoing Discussion. Ideally a colleague can start a discussion, and after we figure things out we can send an email to whatever was the subject, and keep the history of what was discussed.