What is an ASF file? How to open an ASF file? What program can convert ASF files? Are you troubled by these questions? Don’t worry. This post will tell you what ASF is, how to open ASF on different devices, and how to convert ASF files with the best video converters, like MiniTool Video Converter.

What Is an ASF File?

ASF (Advanced Systems Format) is Microsoft’s proprietary digital audio/digital video container format, especially meant for streaming media.

ASF contains audio, video, image, subtitle, chapters, and other metadata, and it supports stream prioritization and compression, making it appropriate for transmission and sharing online.

Also read: What Is a CAF File & How to Convert CAF to MP3

How to Open ASF files on Different Devices

In this part, you will learn how to open ASF on Windows, Mac, and mobile devices.

How to open an ASF File on Windows

In fact, you can open ASF files directly as long as you have installed Windows Media Player 12.

Windows Media Player

  1. Open Windows Media Player on your PC.
  2. Go to Videos > Folder > All Videos.
  3. Drag the ASF file onto the main interface.
  4. Click the thumbnail of the video and hit the Play button at the bottom.

How to Open an ASF File on Mac

Unfortunately, QuickTime Player cannot open ASF files. Therefore, it is recommended to use a free media player – 5KPayer.


  1. Launch 5KPlayer after you install it on your Mac computer.
  2. Click the Video icon, choose the ASF file that you’d like to play, and then press Open.

How to open ASF on iPhone and Android

VLC Media Player offers mobile apps for iOS and Android.

  1. Download VLC Media Player from App Store or Google Play Store.
  2. Open the VLC app on your device.
  3. Go to the Video tab, and then it will display all available video files in the media library.
  4. Select the ASF file and open it immediately.

Failed to Open an SWF File?

Can’t open your ASF file on your device? Then, you may consider converting your ASF file to a new file format with better compatibility, such as MP4, WMV, MOV, or AVI. There are numerous applications that can convert an ASF file. Let’s check them.

MiniTool Video Converter

MiniTool Video Converter is the most reliable audio and video converter that supports 1000+ conversions between popular video and audio formats. Using this freeware, you can easily convert ASF to MP4, 3GP, VOB, or extract audio from ASF files. Additional features include YouTube video download, fast conversion speed, various format support, and optional output quality.

MiniTool Video ConverterClick to Download100%Clean & Safe

MiniTool Video Converter

Aiseesoft Free Video Converter

Aiseesoft Free Video Converter is the best ASF converter for Mac users on market. The program supports converting ASF files with super high quality and fast speed for free. In addition, it supports more than 300 multimedia output formats, like ASF to MP3, AVI, MKV, WAV, WMV, MP4, and more.

Related article: What Is a 3GP File & How to Open/Convert It


Convertio is an online solution to convert ASF files on any operating system. Upload your ASF file to the site and then you can convert it to any supported format, like MP4, MOV, 3GP, AAC, AC3, AVI, FLAC, FLV, MP3, MPG, OGG, WAV, WMV, etc. Besides, it also gives you the customization options to change aspect ratio, video quality, as well as flip and rotate videos.


Bottom Line

What is an ASF file? How to open and convert ASF ASF files? After reviewing this tutorial, you must have found the answers, right? If you have any questions or suggestions about it, please let us know via [email protected] or share them in the comments section below.

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