ODG to PDF - Convert file now View other document file formats Technical Details Each PDF file encapsulates a complete description of a 2D document (and, with the advent of Acrobat 3D, embedded 3D documents) that includes the text, fonts, images and 2D vector graphics that compose the document. The OpenDocument vector file specification uses the. Amateurallure Pre Audition 22 here. ODG file extension. The purpose behind the file type is to have a free, non-proprietary file type that anyone can. Files that contain the.odg file extension are most commonly associated with OASIS vector graphic files. Drawings that have been created using an OASIS OpenDocument software application, such as the OpenOffice Draw application (versions 2.0 and later), are saved with the.odg file extension.