Troubleshoot the Navigation Pane

The Navigation Pane has been turned off or another person's folder has been opened in a new window. To display the Navigation Pane, on the View menu, click Navigation Pane.

Only folders containing items of the same item type that is active are displayed. Subfolders (such as a calendar folder under an e-mail folder), will not show in the Mail pane. When you have folders of one item type in the folder of another item type, switch to the Folder List pane. On the Go menu, click Folder List.
The folder may have been deleted from Favorite Folders in the Mail pane. Deleting a folder here deletes the corresponding folder in the Folder List.

Any shortcuts that you previously added to the Outlook Bar for files or locations outside of Outlook, such as Microsoft Word files or Web sites, are automatically migrated to the Shortcuts pane in the Navigation Pane. Shortcuts to Outlook folders will also be automatically migrated to the corresponding pane. For example, a calendar shortcut will be added to the Calendar pane. Public folder shortcuts now display in the Favorites folder under Public Folders in the Folder List pane.

Grouping cannot be turned off globally. To turn it off for each folder, click the folder. On the View menu, point to Arrange By, and then click Show in Groups.

The TaskPad was on, but it is now turned off. When the Taskpad is off, the Date Navigators display in the Navigation Pane, and the other content moves down. To turn on the TaskPad, in the Calendar pane, on the View menu, click Taskpad.

To turn off the Navigation Pane, on the View menu, click Navigation Pane, and then use the Go menu to navigate between your folders.