An AGG file contains a graph created by Autograph, a program used in classrooms for creating 2D and 3D graphs. It stores a page with graph information, such as XY coordinates, equations, and shapes. AGG files were introduced with the release of version 3 of Autograph and replaced AGS files.

AGG file open in Autograph 4 You can open an AGG file in Autograph by selecting File → Open and select the AGG file you would like to open. You can also open an AGG file by double-clicking an AGG file (if Autograph is already installed) or by dragging and dropping the file into Autograph. You can create an AGG file in Autograph by selecting File → New 1D Statistics Page or New 2D Graph Page, New 2D Graph Page, or New Complex Numbers Page. After creating the graph, select File → Save or Save As....

Game data archive used by Heroes of Might and Magic II, a turn-based strategy game developed by New World Computing; contains image, audio, and other assets required to play the game.