I made a QT screen recording earlier this week, exported to 1080p, and uploaded it to Microsoft Streams, which worked fine. So either the QT export was a stand

I made a QT screen recording earlier this week, exported to 1080p, and uploaded it to Microsoft Streams, which worked fine. So either the QT export was a standard h.264 file, or Microsoft Streams is set up to recognize whatever weirdness comes out of QT (which seems unlikely to me).