I use Windows Game Bar to record in the background sometimes. I am fine with the small drop in performance. I set the settings to Standard Resolution and 3 minute recordings. However, when I save the video, the file sizes are extremely large.
For a 3 minute video, the file size is 266MB. Is there a way I can reduce this for ALL recordings, somewhere in the settings? I don't mean reducing it after I save the recording, I want it to record all videos already reduced.
Is this possible?
Lowering the quality of the video, not adding audio, both work to reduce the file size.
Videos are large. Very large. They take up a lot of space unnecessarily, and it kind of angers people. I would recommend using something else for screen capturing like an OBS, and saving the file as a different, more optimized format of the file extension. In my experience, the Game Bar doesn't work to well, while recording from an OBS just takes less time.
To reduce the file size, you must reduce the encoding quality or dimensions. Beyond using Standard quality and 30 FPS, your only choice will be to adjust registry settings to use a custom bitrate and/or dimensions. This answer contains details: https://superuser.com/a/1551671/457818
It's written from the perspective of increasing video quality, but you can use lower numbers, too. Unfortunately, there's no documentation that I can find about what values are valid for CustomVideoEncodingBitrate. You will just have to experiment.
