Export Advice!

So there are some things in your question that need further clarification I think, and then we can possibly make some progress.

That sentence does not compute. Since it is somewhat unclear and I may be misunderstanding (not for the first time), instead of guessing I will just ask some questions:

  1. Your current Shotcut project (the one you are trying to bring this video into). What is the video mode set to?
    Video Mode
  2. What are the specs of this new inexperienced recording in terms of resolution and frames per second (is it 1920x1080 at 30 frames per second, for example)?
  3. Can you upload a screenshot of your entire Shotcut window, including the preview section and the timeline) with the video in question selected on the timeline.
  4. Can you please link to a video you have exported that isn’t giving you the expected results, and perhaps clarify what you want to happen based on that video (I know you have black bars, or what appear to be black bars). You could even modify a screenshot to show us what you want the exported video to look like. Or even better, if you have an example of what you want to achieve (even by another user), link to that also.