Use the Clean Up function: Outlook has a built-in Clean Up function that can be used to delete multiple emails at once. Once you have found the emails you want to delete, you can select them all at once and press the 'Delete' key. Use the Search function: You can use the Search function to find all emails that match certain criteria, such as a specific sender or subject line. Once you have selected all the emails, you can press the 'Delete' key on your keyboard to delete them all at once. Select multiple emails: To select multiple emails, you can hold down the 'Ctrl' key on your keyboard while clicking on each email you want to delete. Here's a quick mini guide on how to mass delete emails on Outlook Mail: Too many Outlook emails? We know the feeling! Keeping your inbox organized and free from clutter can be important for managing your emails effectively and keeping your sanity! One way to do this is by using the 'mass delete' feature on Outlook Mail, which allows you to delete multiple emails at once.