Here is an interesting question: In Outlook 2010, how could I find emails I sent that did not receive a reply? I'm open to almost all solutions.
Outlook – How to find sent emails in Outlook 2010 without a reply
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Best Answer
I was trying to figure this out just now. On the sent folder, I changed the settings so that messages would show as conversations. This way, I can easily see which messages I've sent that do not have any response as there will only be 1 message in the conversation so there won't be a conversation tree.