Switching back to Old Outlook
- From the Windows
Start Menu, type “Registry
Editor” in the search box and select the Registry Editor app.
- Navigate
to the following path:
Computer\HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Outlook\Preferences
- Scroll to
the bottom of the list to and double click on UseNewOutlook.
- Enter 0 in the Value Data field.
- Attempt
to launch classic Outlook for Windows from the Windows Start Menu.