When opening Outlook the AdxTaskPane window opens outside of Microsoft Outlook.
- Open Outlook
- Click on File
- Select Options
- Select General
- Scroll down to User Interface Options and tick Optimize For Compatibility
- Click Ok and restart Outlook
ADXTaskPane Opens Outside of Outlook Window
Updated on March 5, 2019
Fixed the issue with my Outlook. Suspect it was caused by a Mimecast AddIn