Hi Ana - Just as Neil said, I'm one of the many that use the H.264 Format and I also choose a YouTube Preset from the preset dropdown. I tend to use the YouTube 1080p HD preset, but there are also other YouTube Resolution Presets options to choose from the dropdown. Additionally, you can set your video to auto-publish to YouTube directly from Premiere Pro's Media export settings by selecting the "Publish" tab (see screenshot below). There you can log into your YouTube account, choose privacy settings, a title, etc. This automates the upload process for you, saving you time in the long run.
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