SGML File - opening and understanding

Did your computer fail to open a SGML file? We explain what they are used for and recommend software that we know can open or otherwise handle your .SGML files.

What is a SGML file?

A .SGML file is a Standard Generalized Markup Language file. SGM is an acronym for Standard Generalized Markup Language. Files that are saved with the .sgml file extension are written in the SGML syntax. It is a standardized format used to define features of markup-languages like HTML and XML. You can say it is a format used to define the rules that must be followed to make, e.g., an HTML document valid.

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

How to open SGML files

You will need a program compatible with the specific file you are trying to open, as different programs may use files with file extension SGML for different purposes.

While we have not verified the apps ourselves yet, our users have suggested 5 different SGML openers which you will find listed below.

Suggest another file format using extension SGML

While we know of one file format using the .SGML file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .SGML file.

Various viewers for this file format

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

FrameMakerFrameMakerUser submitted
PanaView3.1PanaView3.1User submitted
PanaView3.0PanaView3.0User submitted
Adobe FrameMakerAdobe FrameMakerUser submitted
PanaView2.0PanaView2.0User submitted
We have not verified any software that we know for certain will work with SGML-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with SGML-files. If you know one, please use the 'Suggest a program' link below and tell us about it!