Removing the Conversation Tab is being reviewed by the feature team.
For deleting chat messages, please following progress here: https://microsoftteams.uservoice.com/forums/555103/suggestions/33535006.
An error occurred while saving the commentThomas Gylling commented
It is a direct company risk to have old snippets of dialogs floating around like this.
Is this software developed for parrents to monitor their kids behind the scene?
You need to implemnet this function asap.
It is a basic funtion left out, on what purpose?
+ reasons mentioned in this thread by others