How to Convert ASF to M4V on Mac OS X Mountain Lion
You may know this: all of Apple portable devices and apps only support several particular formats, so when you want to use your ASF files on Mac or Apple stuffs, you have to convert ASF to the compatible format like M4V.
Well, a problem arises: how you could convert ASF to M4V on Mac (here take M4V for example)? Definitely you need an ASF to M4V video converter for Mac to help you: professional, easy to use, fast in speed, excellent in quality and reasonable in price……luckily, you will find one here:
1.Get ASF files to the software
After launch the Video Converter, you can drag & drop ASF files to the program. Or go to “File” menu, choose “Add Video” to locate the ASF files you want to add.

2.Select M4V as output format
Here you can also set other output formats like AVI, MPG, MKV, MP4, 3G2, 3GP, TS etc. as you wish. Audio formats allowed too.

3.Start ASF to M4V conversion on Mac OS X
Hit “Convert” button and let this smart ASF to M4V Video Converter for Mac do the rest for you!
After the ASF to M4V conversion, you now can freely play your ASF videos on iPhone (iPhone 4 included), iPad, iPod, iTunes etc. or edit in iMovie.