411 REFERENCE · Wikipedia
.sgm
Reference material by Wikipedia contributors. This retains its source identity and is not 411 news reporting.
.sgm may refer to the following file formats:
Standard Generalized Markup Language
Encoded Archival Description Document, an XML standard for encoding archival finding aids, maintained by the Library of Congress and the Society of American Archivists
SoftQuad XMetaL File, for the SoftQuad Software XMetaL
Visual Boy Advance Saved State File, VisualBoyAdvance