Video is distorted after export
Hi all,
Hoping someone can help. I did a screen recording in PPT, which I am now editing. I have the default scaling set to Set to Frame Size. The clips and sequence look correct when viewing:

But when I export, everything gets warped:

I have tried changing all of the export settings I can think of, but the output is the same. I currently have it set to this:

Media settings are this:

What am I missing?
Thank you so much for your help!
-Rachel