SGM File Type

- The quick facts

What are SGM files and how to open them

Are you having problems opening a SGM file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a SGM file?

SGM files have multiple uses, and Standard Generalized Markup is one of them.

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 10 different SGM openers which you will find listed below.

Last updated: March 24, 2022

More file formats using the SGM extension

Through our research of SGM files, we know that the following formats exist. However, we have not yet analyzed them in detail, and we would love to hear from you if you have information about either of them.

EAD - Encoded Archival Description

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.