To resize a column, rest the pointer on the right edge of the column header until the pointer changes, and then drag the edge. To rearrange the columns, click a column heading, and then drag it to a new position. Columns in the current view are identified with a check mark.Ĭlick on a column heading to sort by that column. Select View > Columns, and then click a column name. The available columns vary, depending on the type of items in the list.Ĭolumns work best when the reading pane is hidden or positioned below the item list, so select Organize > Reading Pane > Bottom or Off. 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.