Taller upper cabinets

I am trying to make the upper cabinets 42 inches tall instead of 30.
I also need to remove the microwave and replace with a decorative range hood.

Hi!
Can you post the actual starting image (not a screenshot) and I’ll give it a try!

I found your image (you emailed it to us)
Here is my attempt

And here is how I did it:

Hope that helps!