Video Size

Select the final dimensions for the video. The Preset video size option is recommended.

Option	Description
Largest video size	Produces a video at the dimensions of the largest clip on the Timeline.
Preset video size (Recommended)	Produces a video at the dimensions selected in the Project Settings dialog box.
Standard video size	Produces a video at a standard video dimension.
Custom size	Enter a custom width and height to produce the video.
Background color	Select the background color for clips smaller than the dimensions specified.
Disable Callout fade effects to reduce file size	Disables the fade in and/or out effects for callouts on the Timeline to help reduce the file size.
Use instant Zoom-n-Pan speed to reduce size	Changes all the speed for all Zoom-n-Pan effects on the Timeline to Instant to help reduce the file size.

Continue with Video Options.