Outlook 2011 Update: We released the fix for Outlook 2011 hang on El Capitan with update 14.5.6. Some users reported issue persisting and this was isolated to specific languages. Please update to 14.5.7. See https://support.microsoft.com/en-us/kb/3097266.
Outlook for Mac 2016 Update: We shipped Office 2016 October update (15.15). El Capitan users, please update to the latest OS X 10.11.1 that Apple released today.
Program Manager | Outlook for Mac