By default if a Choice field has more than 20 values the UI reverts to a typeahead style. If this setting is ON the drop down style is still used.
| Registry Hive | HKEY_CURRENT_USER |
| Registry Path | Software\Policies\MacroView\DMF\UserOptions |
| Value Name | DontUseTypeAheadForManyChoices |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |