If you are using On Menus tab, click View menu to bring up the drop-down menu, and the Reading Pane is below the To-Do Bar. You can turn off or make a setting to the reading pane or change the location of Reading Pane from the sub-menu. See Fig.1: Fig.1 Click Options, there appears the Reading Pane window. Here you can make some setting to Reading Pane options, such as Mark items as read when viewed in the Reading Pane, Mark item as read when selection changes and Single key reading using space bar. Fig.2 If you are not using Open Microsoft Outlook 2010/2013, on the View tab, the Reading Pane is placed at the second place of the Layout group. Click Reading Pane, it will appear a pull-down menu, from which you can change the location of Reading Pane, like Right or bottom, or you may choose to close off the reading pane.
Also you can make a setting from the Options. See Fig.3: Fig.3 What is Classic Menu for Office/Outlook Brings the familiar classic menus and toolbars back to Microsoft Office 2007, 2010, 2013 and 2016, helps users get through the transition from Office 2003 (or 2002, 2000) to Office 2007, 2010 or 2013, and saves your money and energy on training if you are upgrading your Office. It includes Classic Menu for Word, Excel, PowerPoint, Access, Outlook, OneNote, Publisher, InfoPath, Visio and Project 2010, 2013 and 2016. It includes Classic Menu for Word, Excel, PowerPoint, Access and Outlook 2007.
Outlook 2016 - Blank Reading Pane (self. Then click Display Settings and under Reading Pane, choose Show reading pane at the bottom. See number 3 in the picture 4. Outlook 2016 for Mac - when reading pane is set to right, the column to the left that contains a list of messages will appear. Outlook Feedback by UserVoice. Outlook for Mac. Please add the ability to view mail in columns while still having the reading pane to the right. This functionality works great on the Windows side, but I can't seem to figure out why it's only available with no reading pane, or when the reading pane is.