Question / Help Black sides on videos

[MrClonestar]

my recordings have a black bars if the video is not in fullscreen, and im not sure how to fix it. I have done the screen stretching with the right click.
Videos are of the game Overwatch.

 

[Suslik V]

OBS Studio Help Guide: https://obsproject.com/forum/resour...ware-studio-multiplatform-help-guide-pdf.365/ , look for Transform from the index. You can scale and do cropping over the image before it goes to the output.