Notes about the J 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 J file type is primarily associated with 'JAR Compressed File'.
Detailed information for file extension J:
File classification: ArchiveIdentifying characters
Hex (starting at position 4): 40 00 00 00
Other applications associated with file type J:
- Java (Source Code) by Sun This association is classified as Source Code.
- JPEG / JFIF Image
'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.
To view technical data on file-extension J click this link
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System Info for File Extension .J
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: GraphicsConverterPro.j, FileType: Joint Photographic Experts Group, AppName: GraphicsConverter-reg
EXEFile: %ProgramFiles%\XnView\xnview.exe %1