.ASM File Extension

File Type:
Assembly Language Source Code File

Having trouble opening .asm extension? Don't panic! This page explains what asm files are as well as suggests programs you may use to open asm files. You can download these programs through this page.

What is an ASM file?

Asm file extension has Assembly Language Source Code file type, which is associated with the "developer files" category.

Source code file comes written in assembly language, which may be converted into machine language. The file edited through a basic text editor. Users can open the file via such assembler applications as HLA, NASM, MASM, FASM, and GAS.

To learn how you can open the given file, read the information below.

asm file icon
File Type:
Assembly Language Source Code File
Developer Files

How to open ASM file?

Double click the asm file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .asm extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the asm extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the asm file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open ASM files

  • Windows Windows
  • MacOS MacOS
    • MacroMates TextMate MacroMates TextMate
    • MacVim MacVim
    • Other text editor Other text editor
  • Linux Linux
    • Vim Vim
    • Pico Pico
    • GNU Emacs GNU Emacs
    • Other text editor Other text editor

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the asm file as well. Download Universal File Viewer for your OS.

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