I got the screws off for the door handle on the ACO1860AS Microwave but the handle will still not come off. Is there another mechanisme or hidden screw that needs to come out?

Normally you have to separate the door panels (as shown in the attached photo) and then you'll see the screws you need to remove.

Or you can watch a YouTube video (not a video I made) here that demonstrates how it's done.

From the service manual:

Door Disassembly

1. Disconnect power to oven and remove oven door,
(see "Door Removal" procedure).

2. Pry away choke cover, by placing a tool in the upper
right corner of the door and gently prying outward on
the choke cover. Continue to work around the door
casing until choke cover is completely loose.

3. Slide latch assembly upward and to the left to
release plastic tabs from door frame. Once latch
assembly is loose the spring may be disconnected
from the door frame.

4. Remove screws securing door handle and door
frame to door panel.

5. Remove door frame by releasing tabs around entire
door panel.

Remove door handle by placing a hand on door panel
next to the top of the door handle. Twist door panel
towards the inside of door and pulling on the top
portion of the door handle in a quick jerking motion.

NOTE: When replacing door handle, the bottom portion
of the door handle must be inserted first.

You can find handy exploded views and order parts by model number here.

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