Here is how I export a 2-hour long video in high quality and small file size? Try these on Adobe Premiere Pro Export settings.
- Format: H.264
- Preset: Custom
- Width: 1280
- Height: 720
- Frame Rate: 25 or 30
- Field Order: Progressive
- Aspect: Square Pixels
- TV Standard: PAL or NTSC
- Profile: High
- Level: 4.2
- Bitrate Encoding: VBR, 1 pass
- Target Bitrate: 5Mbps
- Max Bitrate: 5Mbps