: If the file won't open due to missing codecs, VLC is a highly recommended free tool that supports almost all MP4 variants.
: On a PC, you can right-click the file, select Properties , and go to the Details tab to find the resolution and frame rate. MP4 files explained: How to open and use - Adobe Ajb08264 mp4
In most contexts, a filename like this refers to a using the MPEG-4 Part 14 standard. Technical Profile of an MP4 File : If the file won't open due to