Finally, the extension ".dmg" (Disk Image) is a nod to the macOS ecosystem's method of software distribution. Unlike the .exe files of Windows, the DMG is a mountable disk image that mimics a physical disk drive. It preserves the integrity of the software package, compressing the installer while maintaining the file structure required by the Unix-based macOS operating system.
If you found this file on a non-Adobe site, it carries significant risks: Adobe-Photoshop-v26.0-macOS-for-INTEL.dmg