File Extension AX

.AX File

File extension: AX
File type: MPEG-4 DVD Filter

Notes about the AX file extension:

To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The AX file type is primarily associated with 'MPEG-4 DVD Filter'. Multimedia codec; some filters work with Windows Media Player. Video files are usually compressed to save space. Some are converted into an unknown video format, so a filter (.AX file) tells the computer how to read the specific compression method.

Detailed information for file extension AX:

Primary association: MPEG-4 DVD Filter

Other applications associated with file type AX:

  • ATI DA Interface Handler by ATI Technologies Inc.Usually found as \WINDOWS\SYSTEM32\ATIVDAXX.AX. Related links: Driver Catalog
  • DirectShow (Filter) by Microsoft CorporationDirectShow (sometimes abbreviated as DS or DShow), codename Quartz, is a multimedia framework and API produced by Microsoft for software developers to perform various operations with media files or streams. The identifying characters used for this association are - Hex: 4D 5A 90 00 03 00 00 00 04 00 00 00 FF FF 00 00 B8 00 00 00 00 00 00 00 40 , ASCII: MZ @ Related links: Wikipedia DirectShow Page
  • Modula-3 Linker Information for Libraries
  • Unknown Apple II File ((found on Golden Orchard Apple II CD Rom))
File Identifier - TrID
'Identifying characters' used on are
provided by Marco Pontello from his TrID database

To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension AX click this link to expand/hide the additional area.

System Info for File Extension .AX

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: WMAFile, FileType: Windows Media Audio file, AppName: Windows Media Player
EXEFile: wmplayer.exe

ProgramID: axfile
EXEFile: %ProgramFiles%\Restorator 2004\Restorator.exe %1

ProgramID: FView.fax
EXEFile: %ProgramFiles%\FreshDevices\FreshView\fview.exe %1

ProgramID: Paper.Document
EXEFile: %ProgramFiles%\scansoft\paperport\pppagevw.exe %1

ProgramID: Paper.Document

ProgramID: RealPlayer.RAX.6
EXEFile: %ProgramFiles%\Real\RealPlayer\RealPlay.exe %1

ProgramID: WAXFile
EXEFile: %ProgramFiles%\Windows Media Player\wmplayer.exe /Open %L

ProgramID: WMAFile
EXEFile: %ProgramFiles%\Windows Media Player\wmplayer.exe /prefetch:5 /Open

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