DidsomeoneemailyouaVC4fileandyou'renotsurehowtoopenit?MaybeyouhavefoundaVC4fileonyourcomputerandwonderingwhatit'sfor?Windowsmighttellyouthatyoucan'topenit,orintheworstcase,youmightencounteraVC4filerelatederrormessage.

Please segment the words:
Did someone email you a VC4 file and you're not sure how to open it? Maybe you have found a VC4 file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a VC4 file related error message.