Asf extension is related to Advanced Streaming Format. You have chance to open asf files with Media Player.
Asf extension stands for video format. These advanced video format is developed for Microsoft media player. High compression method is used for these files, still these are quality videos. It is similar to divx format. You may try to play asf files with current version of Media Player application. To get detailed information, please check the following web pages.
What to use ASF
Media Player, Videolan player
which page related to ASF file
ASF Related Searches
You can check related links about ASF fileextension.