Hi.

You are probably seeing this because you are having issues with the dimensions of your video. You could reset the dimensions changing the aspect ratio.

Navigate to Video Settings>Aspect Ratio

The different options available will be:

  1. Landscape- For YouTube, Desktop
  2. Square- For Facebook, Instagram feed
  3. Portrait- For Snapchat, IGTV
  4. Instagram Ad
  5. Facebook cover

Once you select the aspect ratio, please export the video.

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