File Extension AC

.AC File

File extension: AC
File type: Geometry File


Notes about the AC file extension:



Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries, unused processes and other unfavourable system settings to identify slowdown issues.

The AC file type is primarily associated with 'AC3D' by Inivis. An AC3D file (usually named .AC) is a text file describing the geometry of a model. AC3D files retain all available information about a model built with AC3D, e.g. textures, surface settings, materials, object data etc.

Detailed information for file extension AC:


Primary association: AC3D
Company: Inivis
File classification: Text
Identifying characters Hex: 41 43 33 44 , ASCII: AC3D

Other applications associated with file type AC:

File Identifier - TrID
'Identifying characters' used on FILExt.com are
provided by Marco Pontello from his TrID database




Important: Invalid file associations could be the result of underlying issues within your Windows PC. It is highly recommended that you scan your PC for invalid registry entries, unused processes and other slowdown issues.

Technical data

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

System Info for File Extension .AC

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: AudibleAudioCollection, FileType: A Collection of Audio Titles From Audible Inc., AppName: player

ProgramID: aacfile
EXEFile: %ProgramFiles%\K-Lite Codec Pack\Media Player Classic\mplayerc.exe %1

ProgramID: QuickTime.mac
EXEFile: %ProgramFiles%\QUICKT~1\PictureViewer.exe %1

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

ProgramID: Winamp.File
EXEFile: %ProgramFiles%\Winamp\winamp.exe %1

ProgramID: CaseWare.Document
EXEFile: %ProgramFiles%\CASEWA~1\Cwin32.exe /dde

ProgramID: quick3D.ac
EXEFile: %ProgramFiles%\quick3D Geo\quick3D.exe %1

ProgramID: AC3D
EXEFile: %ProgramFiles%\AC3D5\AC3D.EXE %1


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