Is there any way to the remove the grey areas right and left of the canvas app?
I have changed the resolution to 1920x1080 (which is the same I have on my display).
Please see the attachment.

Is there any way to the remove the grey areas right and left of the canvas app?
I have changed the resolution to 1920x1080 (which is the same I have on my display).
Please see the attachment.
Read through this article on creating responsive design apps. There a a few settings you need to change to be able to specify the exact resolution of the screen. https://docs.microsoft.com/en-us/powerapps/maker/canvas-apps/create-responsive-layout