>> ASF file

ASF file format description

Many people share .asf files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .asf file can be edited, converted or printed with. On this page, we try to provide assistance for handling .asf files.

2 filename extension(s) found in our database.

.asf - Advanced Systems Format Media

The ASF video files are related to Windows Media Player. ASF file is an Advanced Systems Format media file. It is the file format used by Windows Media. Audio and/or Video content compressed with a wide variety of codecs can be stored in an ASF file and played back with the Windows Media Player (provided the appropriate codecs are installed), streamed with Windows Media Services or optionally packaged with Windows Media Rights Manager.

Windows Media Player
Video files
- / -
Advanced Systems Format Media related extensions:
Microsoft Expression Encoder Screen Capture
Motion JPEG 2000 Video
Surveillance Video
ScreenCam Movie File
Gens Game Recording
Gens Game Recording Format 2 File

.asf - ActiveMovie Streaming Format Data

The ASF audio files are related to Awave Studio. ASF file is an ActiveMovie Streaming Format Data. ActiveMovie is a type of streaming media technology for the Windows® operating system.

Awave Studio
Audio files
- / -
ActiveMovie Streaming Format Data related extensions:
Kurzweil Forte Audio Data
Miles Sound System Compressed DLS Data
Yamaha DX7 RAW 32-voice Data
Westacott WinRanX Instrument Data
Annotated Speech Data
TFM Music Maker Instruments Data

Naturally, other applications may also use the .asf file extension. Even harmful programs can create .asf files. Be especially cautious with .asf files coming from an unknown source!

Can't open a .asf file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .asf file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

acf, aef, af, afs, aqf, as, asb, asc, asd, ase, asg, asr, ast, asv, awf

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

MATLAB AutoSave File
Devil May Cry 3 Data
IRCAM SoundFile
Abomination Game Data
StatGraphics Centurion Data
Autodesk 3D Studio ASCII Scene Export

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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