Toggling Outlook Sidebar Off and On

Issue/Question

I can no longer see the sidebar on Outlook. How do I turn it back on? 

Environment

• macOS
  • Microsoft 365

Cause

The sidebar has been turned off or disabled and is no longer viewable. 

Resolution

1. Open Outlook. 
2. Click View from the menu bar. 
3. Select Sidebar to toggle the sidebar off or on.