MSO.dll SP2 Patched-Activation-Template
Download - https://byltly.com/2sUpzD
Described in another Office Sustained Engineering blog, the problem was caused by a version mismatch between two files: outlook.exe and mso.dll. With the update installed, the folder-pane view was truncated; uninstalling the patch returned the folder pane to normal. 2b1af7f3a8