131 votes51 comments · The new Outlook on the web (Office 365) » Mail · Flag idea as inappropriate… · Admin →
Hey, thanks for your feedback! This option will be added back to OWA in the next couple months. We’re working on improving the service that powers Clean Up, and then we’ll add this option back!
ColinManoj Patel commented
All option Like Clean up Mail Not available . A very Useful Feature to quickly Delete unwanted Emails
17 votesManoj Patel commented
The clean up mail option is not available in upgraded New UI