Why does Plex can't recognize MP4 video file? | Media Compatibility Solutions
Wiremold MP4 4 Plex Single Service Multiplex - Pro AV Warehouse
What if Plex Server Doen't Find/Recognize some MP4 files?
Creating Optimized Versions | Plex Support
Get Plex to recognize all MP4 files
Is this transcoding normal? Why is PLEX converting a MP4 to MKV and using OPUS Audio format when playing remotely to an iPhone? I thought iPhone could play MP4 natively? : r/PleX