Research into community discussions and technical reports identifies three primary contexts where this specific filename appears:
Created and opened by the official 7-Zip utility (open-source). same.7z
Usually uses the algorithm, offering significantly higher compression ratios than standard ZIP. Encryption Because "
A "same.7z" file is typically a 7-Zip archive file, a common compressed format used for high-efficiency data storage. Because ".7z" is a generic extension, the specific content of "same.7z" depends entirely on who created it. While native to Windows, it is widely supported
: It is sometimes used as a stable, generic filename for software images or builds. For example, some developer guides for drone simulation (SITL) images use "same.7z" to refer to a public archive that keeps a stable name even as the content is updated.
While native to Windows, it is widely supported on macOS via The Unarchiver and on Linux via the p7zip package. Does 7z compress better than zip? - Microsoft Community Hub
: In some automated scripts, "same.7z" may be the target filename for a backup or a copy of an existing archive being moved between directories for processing. Technical Profile: 7z Archive Format Description Primary Tool