If you click the close button on the app’s main interface, it will close the app. Remember that you must click the minimize button to send the app to the system tray.

If you double-click it, the app will maximize.

This icon indicates that the app is still running and therefore able to send and receive messages. The Outlook icon will disappear from the taskbar and will appear only in the system tray. Right-click the blue Outlook icon, or if you see some other icon, right-click that one.įrom the context menu, select the ‘Hide when minimized’ option. an icon with two envelopes to indicate messages are being sent/received, or something else based on what the app is doing. If Outlook is busy, you may see a different type of icon e.g. Go to the system tray and open the overflow menu of icons. It will show an icon on the taskbar per its default behavior. This is the default behavior of the app but you can minimize Outlook for Office 365 to the system tray by changing a small, well-hidden, setting. Chrome, or Notepad where the window is minimized but still open, and the app takes up a spot on the taskbar. Instead, it minimizes like other apps e.g. This shouldn’t be a problem but it seems that when you minimize Outlook, it doesn’t go to the system tray. Outlook, like any desktop email client, needs to run in order to send your emails and to receive them.

Pin office 365 to taskbar