SGM File

What are SGM files and how to open them

Are you having problems opening a SGM file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your SGM files.

What is a SGM file?

SGM files have multiple uses, and Standard Generalized Markup is one of them. Read more about the other uses further down the page.

Standard Generalized Markup File

SGM is an acronym for Standard Generalized Markup. Files that are saved with the .sgm file extension are written in the SGM syntax. It is a standardized format used to define features of markup-languages like HTML and XML.

SGM files can also be saved with the .sgml file extension, although the .sgm extension is the more popular form of the file suffix.

How to open SGM files

Important: Different programs may use files with the SGM file extension for different purposes, so unless you are sure which format your SGM file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different SGM openers which you will find listed below.

Last updated: September 21, 2023

All known file formats using extension .SGM

While Standard Generalized Markup File is a popular type of SGM-file, we know of 2 different uses of the .SGM file extension. Different software may use files with the same extension for different types of data.

EAD - Encoded Archival Description

We know that one SGM format is EAD - Encoded Archival Description. We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

Various apps that use files with this extension

These apps are known to open certain types of SGM files. Remember, different programs may use SGM files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about SGM file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.