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Recipient of the email is added to "TO" field each time we click on Reply All to an email thread.
So if I click on Reply All once the recipients email address is mentioned in TO field once
When we click on Reply All the 2nd time on the same thread - the recipients email address is mentioned in TO field Twice
When we click on Reply All the 3rd time continuing the thread - the recipients email address is mentioned in TO field Thrice
This behavior goes on and on.
The expected behavior is that the Email address in the From field should not be displayed in the To field.
STATUS DETAILS
Declined

Dynamics 365 Sales (administrator)
Thank you for your feedback. We are declining/closing this idea as it has been open for more than 2 years and has not received sufficient numbers of votes. If the idea is still valid, request you to re-submit the idea.