COM files are DOS executable files. The content of a COM file is encoded in binary format and, one of its main characteristics is that its content is limited to 64 Kb of code.
COM extension files are executable files, just like EXE files, except that they do not have metadata or headers or attachments.
This means that the content of a COM file generally consists of directives or natural commands used by built-in DOS resources to perform several operations.
As you may have guessed, these directives and commands are normally carried out through the Windows command line, however, grouping them in a COM file may be convenient for some users and programmers.
The contents of some COM files can be viewed and edited with Microsoft Notepad or any other text editing program.
Some computer virus creators take advantage of the similarity of the COM file extension to the internet domain term name. com, to carry out their attack, either through emails, as attachments, as files posted on the website itself.
Because they are executable, COM extension files do not have an associated program to be opened, other than DOS, however, if you want to edit a COM file, you must make use of any of the following text editors, considering that you must be careful with executable commands:
If you downloaded a COM file on Android device you can open it by following steps below:
To open COM File on iOS device follow steps below:
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For more general information about how to open COM files, file extension com and registry you can read one of the following articles: