File Extension APT

.APT File

File extension: APT
File type: APT Encoded Bitmap


Notes about the APT 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 APT file type is primarily associated with 'Adaptive Prediction Tree' by John Robinson. APT stands for Adaptive Prediction Trees. It is a general-purpose image coding method for lossless and lossy compression. It codes monochrome and color images with bit depths from 1 to 16 bits per component.

Detailed information for file extension APT:


Primary association: Adaptive Prediction Tree
Company: John Robinson
File classification: Graphic
Identifying characters Hex: 61 70 74 , ASCII: apt

Other applications associated with file type APT:

  • Alphacam (Punch Tool) by PlanitAlphacam is a leading CAD/CAM software solution for the Woodworking industry. The core product of the company is Alphacam and is used in the manufacture of many types of components, from simple routed parts to complex, 5-axis furniture components. This association is classified as CAD/CAM.
  • Approach (Data View File) by IBMThis was a Lotus product. Lotus was bought out by IBM.
  • appTranslator (Project) by appTranslatorappTranslator is a localization solution for your Visual C++ and MFC applications.
  • AutoPlay Menu Studio (Project File) by Indigo Rose SoftwareAutoPlay Menu Studio allows you to create your own custom autorun menus, interactive presentations, multimedia applications, and custom software.
  • Gupta Team Developer (Text Mode Application File)
  • Nimbus 7 SAMS Data FileA-priori temperature profiles.
File Identifier - TrID
'Identifying characters' used on FILExt.com 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 APT click this link to expand/hide the additional area.

System Info for File Extension .APT

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: CAMtasticApertureData
EXEFile: %ProgramFiles%\Altium\Dxp.exe %1

ProgramID: ApproachView
EXEFile: C:\lotus\approach\Approach.exe %1

ProgramID: ApproachView
EXEFile: %ProgramFiles%\lotus\approach\Approach.exe %1

ProgramID: ApproachView
EXEFile: %ProgramFiles%\LOTSUITE\APPROACH\APPROACH.EXE

ProgramID: AMS60.Document
EXEFile: %ProgramFiles%\AUTOPL~1.0\ams60.exe

ProgramID: CAMtasticApertureData
EXEFile: %ProgramFiles%\Dxp.exe

ProgramID: ACDSeePhotoEditor.Tool
EXEFile: %ProgramFiles%\ACD Systems\ACDSeePhotoEditor\4.0\ACDSeePhotoEditor4.exe


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