Windows 7 Media Player
The maximum supported resolution is 1920 × 1080 pixels for both software and DXVA decoding. Please refer to http://msdn.microsoft.com/en-us/library/windows/desktop/dd797815(v=vs.85).aspx
The recorded Zoom video of a shared screen cannot be played with WMP on Windows 7 if the resolution of the shared screen is higher than 1920x1080.
The recorded Zoom video with multiple resolutions may not supported by WMP as well.