Using classic Outlook for Windows in business environments
Make sure the Identity key is selected on the left column of Registry Editor. Next, in the Right column, right-click and hover on New, then click on DWORD (32-bit) Value.
- Replace the highlighted blue 'New Value #1' text with EnableADAL. ----- Press Enter, or mouse click outside of the text area.
- Double-click your new EnableADAL key to open an 'Edit DWORD (32-bit) Value' window.
- Change Base to Decimal
- Set the Value data: to 1
- Click OK