Try it!
Use Clean Up Conversation to tidy up your email conversations and reduce the number of messages in your inbox.
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Select an email conversation that you'd like to clean up.
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(On the simplified ribbon) On the Home tab, select the arrow next to Delete >Â
 Clean Up Conversation. You can also clean up entire Folders.Â(On the classic ribbon) On the Home tab, selectÂ
 Clean Up > Clean up Conversation. -
If prompted, confirm by selecting Clean Up.
And the emails are sent to the Deleted Items.Â