In DesignSpark's PCB view, select the Menu item:
Output -> Manufacturing Plots or Shift+P
Click Device Setup
This sets the General Commands and Options, click OK
Now click Add Plot...
This will add a new Plot (Plot 1) in the Plots: List.
Change the Plot Name to boardoutline, click the Layers tab, double click the [Board Outline] line to change the option to Y
In the Plots: list deselect:
There are some issues with the drill settings in the Gerbers
Check that the Plot From: and Plot To: values match those in 'boardoutline'.
Change the Offset By: values to 0.0000 and 0.0000
Click the Options... button
Then click the NC Drill... button
Set the Integer: value to 2 and the Decimal: value to 4
Finally click Run - this will start the export.
Navigate to the directory that the plots have been saved to, zip up the files:
Now go start a new project