The .smg extension is the default format for SOLIDWORKS Composer (formerly 3DVIA), used for technical documentation and 3D animations.

: SMG files are actually archive files containing XML and geometry data. Users often rename .smg files to .rar to extract and inspect the internal components.

: Many papers discuss the formation and morphology of these galaxies, such as "Disclosing Submillimeter Galaxy Formation: Mergers or Secular Evolution?" (2025). 3. Data Storage Technology (Shingled Magnetic Recording)

"SMG.rar" is specifically identified as a download for the , a tool used to create custom maps for the game Stellaris .

: Implementing SMR by Western Digital explains how overlapping data tracks improve areal density. 4. Gaming and Simulation (Stellaris)

In astronomy, stands for Submillimeter Galaxies . Research papers often distribute large datasets or simulation models via compressed archives.