.COM File Extension

File Type:
DOS Command File

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

What is a COM file?

Com file extension has DOS Command file type, developed by Microsoft, which is associated with the "executable files" category.

A COM file can be run on Windows or MS-DOS as an executable program. It has a binary format and shares some similarities with .EXE files. As for differences, the maximum size of a COM file cannot exceed 64Kb, plus files of these type don’t have headers and included metadata. COM files are needed to execute a chain of instructionы, while EXE files – fully developed programs.

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

com file icon
File Type:
DOS Command File
Executable Files

How to open COM file?

Double click the com 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 .com 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 com 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 com 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 COM files

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 com file as well. Download Universal File Viewer for your OS.

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