How To Open Mp4 File On X6?

Which software should i use? and how to convert? My its unable to play video or audio and then start playing video.

i can't insert any Video file to my mp3/mp4 player,i can insert Music ,E-book and photo,but the video didn't work,my mp3/mp4 been delete all the file before,and i create some new file:music,Movie,Photo,E-book and Game,the others work fine,only the Movie...

All of my other videos open that I had recorded that day, but even when I view the list of videos in my Sony Bloggie Live, it shows the thumbnail of the video in question and when I click to play it, it says FILE ERROR. I tried to open it up; in quick...

Ok, I have an mp4 file that will not play on my PSP. It plays perfectly fine on iTunes but not on the PSP. I heard that it has to be MP4 not mp4. I do not know if this is true, but if it is can you tell me how to change it from mp4 to MP4? Or if there...

Tunes are MP4, I want to use them in other programs that don't read MP4 files. Can MP4 files be converted to any other useable audio file like wav. ???

on itunes i can only add mp4 videos to it and i want to know how to convert an .AVI video file to an MP4 video file

I have converted a MKV file to MP4 with all the correct codecs so I can play the file on my ps3. The only problem is, I need to split the 7.37gb HD mp4 into two parts so I can use a flash drive to transfer the movie. Because of the 4gb FAT32 rule I'm...

I've just downloaded a movie in an AVI file, only to find that AVI files don't play on my iPod. It's a 4th Gen iPod Nano, so I've got movies from iTunes which are in mp4 format. I do know quite a bit about computers, I do the whole free songs & movies...

ITunes tells me that the file can not be played on the iPod. I created the file using Sony Movie Studio 9 Platnium. I endered the file and saved it as an MP4 file. I drag it into iTunes and it plays in iTunes, but when I try to sync my Touch, it gives...