Extension Description Author File / Link
hex Intel Hexadecimal Object File Intel Download
Intel HEX Object format for EEPROM programming Sanjaya Vatuk Download
Hexadecimal file formats (Intel HEX Format, Split Format INHX8S .HXL/.HXH or .OBL/.OBH, INHX32, PIC Format INHX8M, .OBJ, INHX16, S-Records, Tektronix Hex Format, MOS Technology Hex Object Format) Download
hlp OS/2 Help File Format Max Maischein Download
hpj Help project file format Microsoft Download
inf OS/2 2.0 Information Presentation Facility (IPF) Data Format Carl Hauser/Marcus Groeber Download
ipa ZIP archive containing a signed iOS/iPadOS app bundle Apple Link
java Article about class file format Deprecated resource Link
Alternative source for Java .class file format Deprecated resource Link
lib Dictionary Hashing Algorithm Microsoft Corporation Download
MS Library (.LIB) Format Microsoft Corporation Download
libraries Library Structures Ian/TWT Download
mac-alias Mac OS Alias Record Format Shan Weber Download
macbinary Macbinary programming information Deprecated resource Link
mach-o Mac OS X ABI Mach-O File Format Reference Apple Inc. Deprecated resource Link
map Borland MAP file format Brad Kimmel Download
mbf Converting between Microsoft Binary Format and IEEE formats Inprise Download
msi Database-based installation package processed by the Windows Installer service Microsoft Link
nds Novell's Netware Directory Services (NDS) Simple Nomad Download
nlm Netware Loadable Module Format Download
oberon Oberon System's Symbol and Object File Formats Patrik Reali Deprecated resource Link
obj C++ Code for reading OBJ files VenTure Download
Macro Assembler and MS C Compiler Object Files Download
OBJ Specification Microsoft Corporation Download
oci The OCI File Format Specification version 1.0 Edward L. Blake Download
omf Relocatable Object Module Format (Acrobat) Intel Download
pe Portable Executable format description (Win 95/NT/WIN32) and viewer Bernd Luevelsmeyer Download
PE (Portable Executable) and STI (Microsoft Symbol and Type Information) (Acrobat) Intel Download
pef PEF Types and Macros Apple Computer, Inc. Download
pif Program Information File Format Max Maischein Deprecated resource Download
prc Palm Pilot executable files Theodore Ts'o Link
pyc Cached bytecode for a Python module, generated by the interpreter Python Software Foundation Link
rdoff Relocatable object file format Download
reg Windows Registry File Format (ASCII .REG format) Jeroen Mostert Download
Windows Registry Files system.dat and user.dat (and CONFIG.POL format) Download
res Win32 Resource File Format Marco Cocco Download
Windows Resource (.RES) Files Ray Lischner Download
rex Pharlap Relocatable Executables example code (Watcom C/C++ 10.6) Download
riff Multimedia Programming Interface and Data Specifications IBM/Microsoft Download
Multimedia Data Types and Data Techniques v2.0 (MS Word) Microsoft Corp. Download