The file diabdat.mpq (Mo’PaQ archive) is the core data container for . In 2021, this file remains essential for running the game on modern operating systems, particularly when using source ports (e.g., DevilutionX ) or compatibility wrappers. The 2021 ecosystem saw increased interest in extracting, modifying, and validating this file for widescreen patches, high-resolution mods, and multiplayer restoration.