Tap the icon just to the left of an email to 'tick' it and reveal tick boxes for all of the other messages you no longer need.
While this is not the quickest option, for many users it is still the easiest way on how to clean up their mailboxes. However, you can remove multiple messages if you still want to proceed with this mobile app. Unfortunately, you can't delete all emails at once using the Gmail app. How to Delete All Emails on Gmail At Once on Gmail App Each method has its pros and cons, and we will quickly run through all of them. There are different methods on how to delete all emails from Gmail depending on if you are on a web browser, iOS mail, or the Gmail app. Manage your mailbox overloaded with unwanted emails more efficiently Try Clean Email for Free How to Completely Clean Up Your Gmail Inbox
