you would like to manage Send messages in your Inbox, you can create an Inbox
rule to move Send messages to another folder. When you create the rule, move
messages containing "#Send" in their subject line to a folder of your
choice. More details on how to create an Inbox rule can be found in this article - https://support.office.com/en-za/article/Manage-email-messages-by-using-rules-c24f5dea-9465-4df4-ad17-a50704d66c59.