.ASM File Extension

ASM files exist as 4 different types. Please find information about each of them below.

Type 1: Assembly Language Source Code File

Check documentation to see if a .s or other extension is preferred for assembly files on your system. GCC and Clang assume .s files contain assembly code. If using something else, pass an appropriate ...

General Information

Title ASM File Extension
Extension .asm
Full Form Assembly Language Source Code File
File Type Source Code File
Developer Various
MIME Type text/x-asm

File Function

Primary Function Contain assembly code
Additional Functions Translate into machine code
Features Low-level, Hardware-specific

File Characteristics

Quality Depends on coding
Supports Layers N/A
Supports Transparency N/A
Editable Yes

Use Cases

System Software Yes
Embedded Systems Yes
Performance Critical Yes

Security and Practices

Security Risks Malware injection
Best Practices Code audits, Safe macros

Historical/Version Information

Initial Release 1940s
Latest Version Varies by assembler

Associated Types

Similar Extensions .obj, .o, .exe, .com

Software Compatibility

Software Usage Policy OS Compatibility
Microsoft Visual Studio Free, Paid Windows
MASM Free Windows
NASM Free Cross-platform
FASM Free Windows, Linux
GNU Assembler (GAS) Free Cross-platform

Type 2: Visual Studio Assembler Source Code File

General Information

Title ASM File Extension
Extension .asm
Full Form Assembler Source Code File
File Type Source Code File
Developer Microsoft
MIME Type text/x-asm

File Function

Primary Function Contain assembly code
Additional Functions Compile into machine code
Features Low-level, Processor-specific

File Characteristics

Quality Depends on code
Supports Layers N/A
Supports Transparency N/A
Editable Yes

Use Cases

System Software Yes
Embedded Systems Yes
Performance Critical Yes

Security and Practices

Security Risks Code injection
Best Practices Secure coding, Regular audits

Historical/Version Information

Initial Release 1981
Latest Version MASM 14.0 (2016)

Associated Types

Similar Extensions .obj, .exe, .com

Software Compatibility

Software Usage Policy OS Compatibility
Microsoft Visual Studio Free, Paid versions Windows
MASM Free Windows
NASM Free Cross-platform

Type 3: Pro/ENGINEER Assembly File

Assembly source code file created by Microsoft Visual Studio. Contains low-level source code translated directly into machine code. Used for optimizing small code segments. More difficult to write tha...

General Information

Title ASM File Extension
Extension .asm
Full Form Pro/ENGINEER Assembly File
File Type CAD Assembly File
Developer PTC
MIME Type application/octet-stream

File Function

Primary Function Store assembly data
Additional Functions Reference component files
Features 3D model data, Assembly structure

File Characteristics

Quality High precision
Supports Layers Yes
Supports Transparency N/A
Editable Yes

Use Cases

Mechanical Design Yes
Product Engineering Yes
Manufacturing Yes

Security and Practices

Security Risks Low
Best Practices Regular backups, Version control

Historical/Version Information

Initial Release Late 1980s
Latest Version Creo 8.0 (2021)

Associated Types

Similar Extensions .prt, .drw, .slp

Software Compatibility

Software Usage Policy OS Compatibility
PTC Creo Parametric Paid Windows
Pro/ENGINEER Discontinued Windows, Unix

Type 4: Solid Edge Assembly File

An ASM file contains 3D objects made up of modelled parts. A single ASM file can contain multiple parts. ASM files are used by Solid Edge 3D CAD software. Siemens Solid Edge software opens these ASM f...

General Information

Title ASM File Extension
Extension .asm
Full Form Solid Edge Assembly File
File Type CAD Assembly File
Developer Siemens
MIME Type application/octet-stream

File Function

Primary Function Store assemblies
Additional Functions Reference parts, Create structures
Features 3D design, Hierarchical structure

File Characteristics

Quality High precision
Supports Layers Yes
Supports Transparency Yes
Editable Yes

Use Cases

Mechanical Design Yes
Product Engineering Yes
Manufacturing Yes

Security and Practices

Security Risks File corruption
Best Practices Regular backups, Version control

Historical/Version Information

Initial Release Late 1990s
Latest Version Depends on Solid Edge version

Associated Types

Similar Extensions .par, .psm, .dft

Software Compatibility

Software Usage Policy OS Compatibility
Solid Edge Paid Windows
FreeCAD Free Windows, Mac, Linux