The .ASF file format stands for Files of the type Advanced Systems format. It is one of the proprietary file formats of the Operating system giant Microsoft. Microsoft uses the .ASF format as the default file format for its audio and video streaming services. The ASF file format is one of the recognized members in the media foundation framework.
There is no coded restriction for the format, however it just specifies the structure of the streaming data. As the file is a native Microsoft format, the most common media types streamed using ASF files are WMA and WMV audio-video formats.
| File type | Advanced Systems (streaming) Format |
| Developer | Microsoft |
| Popularity | |
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While searching for an answer to the question - How to open the ASF file? - you probably found websites, which offer software that was able to open any file extension. Do not be fooled, there is no one program that will allow you to work with any file extension, including the ASF file. Each program contains a different type of data and you need specialized software to properly work with the ASF file. Here is a list of programs that are designed to work with the ASF file - remember, these applications are able to open at most a few file extensions, they are designed to work with a specific data type.
If after installing the program from a list, you still cannot open a file with the ASF extension, the reason may be that the file is damaged. The solution may be to find a new copy of the ASF file you want to open
In this case, the easiest way is to use the tool built into the operating system for association of the ASF file with applications to support it. Double click on the file you cannot open - the operating system will display a list of programs that are likely to work with your ASF file. Choose one of them, or select the location on a disk where you installed one of the applications from our list. Windows should then open the ASF file using the program installed earlier.
Entries containing links of the ASF file extensions with applications is located in the HKEY_CLASSES_ROOT. If you do not know how to get to the Windows Registry, or how to make changes in it, ask a specialist for help. Lack of knowledge on the subject may cause irreversible changes on your computer.
There may be a situation when a computer virus passes itself off as the ASF file. In this case, such a file will definitely not be opened. Download a good antivirus program and scan the ASF file mentioned. If the antivirus application detects malicious data, it may signify that the ASF file is infected.
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| ASP | Active Server Page Script Page |
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| AS3PROJ | FlashDevelop ActionScript 3 Project Format |
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| ASMDOT | SolidWorks Assembly Template |
| ASTX | Adobe Story Exported Script |
| ASB | Alphacam Stone VB Macro Format |
| AS2 | ACTIVstudio Resource |
