Y9g2xd09y3.7z -

: Can extract 7z archives on Windows, Android, and iOS .

: The name may be a unique identifier for a private backup or secure transfer. y9G2Xd09y3.7z

: It could be a specific download from a platform like GitHub, Zenodo, or a university repository where files are sometimes assigned alphanumeric codes. : Can extract 7z archives on Windows, Android, and iOS

: A free alternative that supports the LZMA and LZMA2 compression used in 7z files. open-source tool for this format

The file does not appear to be a widely known dataset or public research artifact. The name is a 7-Zip compressed archive file, as indicated by the .7z extension.

: The official free, open-source tool for this format, available at 7-zip.org.