The Microsoft 365Â app launcher opens when you select the app launcher icon
How do I use the app launcher?
From the Microsoft 365Â app launcher, select the icon to go to that web app or service. For example, you might choose Outlook to go to your email, or OneDrive to go to your OneDrive for Business library. You can also quickly open any Office documents you've been working on recently, or create a new one by clicking the New button and selecting a Microsoft 365 app. These documents are automatically stored in OneDrive.