M4V are related to Apple iTunes application. Contents of M4V files M4V files store video data content from iTunes Store, such as movie clips, TV episodes, movies or video streams. M4V files are similar to MP4 files with additional security features precluding unauthorized access to content.
After converting the file to the new format, you will be able to use other programs to support it. Keep in mind, however, that the H263 file after converting to M4V may differ slightly from the original. The most important information should be kept, but if you want the file after conversion from H263 to M4V to be the same, you have to do this carefully and choose the proper application from the list below.
There is no guarantee, of course, that the conversion will come up to all your expectations, but it will certainly help you. If, after all, the effect of converting H263 to M4V does not meet your expectations, you can simply try to find on the Internet a different version of your file in H263 format, properly converted to a M4V file by someone else. If this fails, use the information provided in the further part of the website.
If after converting the file H263 the desired result was not achieved, you can try to change the format of H263 file to other than M4V. On our website you will find more information on the following conversion options
Unfortunately, if after performing the two previously described steps (trying to find your H263 file converted by someone else, and the attempt to convert it to M4V on your own) you still have a problem with your file, then there are only a few solutions left. You can once again try to find and install an application that can open the H263 file in its original format (without conversion to M4V file). Such a solution will be difficult to implement, but it certainly will give the best result.