Ivo v3.8.14 introduced new methods for creating a file note from the Ivo calendar.  The options now available are -

  1. Using the calendar context menu.  This option is always available by right-clicking on the selected area.

  2. Creating a file note by typing the file note "subject" - this has been the default method since the calendar was introduced

  3. Having the new file note window open immediately after making a selection

The setting to control option 2 and 3 can be found in the Help and Support tab, under the My Preferences option.