Select Organize > Arrange By, and then select an option. To change the size of the reading pane, rest the pointer on the border between the reading pane and the message list, and then drag the border to the right or left.Ĭhange the sort order in the message list Select All Accounts in the upper left, and then click Inbox. Hover your mouse near the top of the screen to make the menu bar visible, or click the green button at the top left to leave full-screen mode. If you don't see the menu bar, you're probably in full-screen mode. Most customization options are available on the Outlook menu bar and ribbon. Outlook for Microsoft 365 for Mac Outlook 2021 for Mac Outlook 2019 for Mac Outlook 2016 for Mac More.
