Gantt chart - Set a default date format
Some settings, like the date format, should be applied each time you open a Gantt chart. You can easily make sure Ganttify applies the correct date format by saving it as a default setting from the Settings menu.
Simply click on the Settings icon in the top left corner of the Gantt chart:
And at the bottom of the Settings menu, you see the Date & Time settings:
By default, the date format is saved as dd/mm/yyyy but if you wish to change it to mm/dd/yyyy you can then check the "Save as default date format" box to make sure this date format is now applied to all of your Gantt charts.