How to convert ASF to MOV on MAC OS
ASF (Advanced Streaming Format), Microsoft's new audio/video format, meant specifically for streaming purposes. It doesn't specify how the video or audio should be encoded, but instead just specifies the structure of the video/audio stream. This means that ASF files can be encoded with basically any audio/video codec and would still be in ASF format.
Mac ASF to MOV Converter is a professional application to help you convert ASF and other popular video formats such as AVI, WMV, MKV, MP4, FLV, etc to MOV on Mac with perfect conversion quality and speed.
Now just download and run this ASF to MOV Converter for Mac for free!
Supported Apple OS: MAC OS X 10.4, Mac OS X 10.5 Leopard, Mac OS X 10.5.7, Mac OS X 10.5.8, Mac OS X 10.6 Snow Leopard, Unibody Macbook, Mac Pro, Mac Mini, MacBook, MacBook Pro, MacBook Air, iMac and PC with Mac OS X.
Step 1, Import ASF to MOV Converter for Mac
Import ASF file to ASF to MOV Converter for Mac by either clicking “Add Files” button, or drag-drop the files, you can import more than one file one time.

Step 2, Select MOV as output format
On the bottom of ASF to MOV Converter for Mac window, there is a format tab, click here to get a format drop-down tree, and select MOV, then the output video you get will be MOV file.

Step 3, Edit video with ASF to MOV Converter for Mac
If you are not satisfied with video effect, resolution, or bite rate, or you need extract some clips of the video, there are video editing functions such as trimming, cropping, changing effect and so on. Learn more from how to trim, crop, edit ASF video on Mac OS.
Step 4, Click “Start” to convert ASF to MOV on Mac OS X
Expand the "Output" panel. Use the "Browse" button to select an output directory.
VLC player (for both Windows and Mac)
QuickTime Player (for both Windows and Mac)
Mplayer (for Mac)
Flip4Mac (for Mac)

