Hi @Sully23 , thank you for your contribution to the Zoom Community! I apologize for not being able to get to your post sooner. I don't believe there is a way to remove black bars from appearing in the mobile recording as this has to do with the supported aspect ratio of the device. However, @Bort@J-Zoom-ATL my have some ideas? What do you guys think?
Unfortunately, there is nothing I am aware of on the Zoom-side of things that can be adjusted. I think this is caused by Zoom always recording in a 16:9 ratio, regardless of the ratio of video captured (portrait on a mobile device).
The only thing I can think of is editing the recording file to trim out the black sections on either side and then re-uploading to YT, but that might be beyond a simple fix you're looking for @Sully23