: The official free, open-source tool for this format, available at 7-zip.org.
Because the filename appears to be a randomized or encoded string, it is likely one of the following:
: It could be a specific download from a platform like GitHub, Zenodo, or a university repository where files are sometimes assigned alphanumeric codes. 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. : The official free, open-source tool for this
: A free alternative that supports the LZMA and LZMA2 compression used in 7z files.
Providing the website or context where you encountered it (e.g., a specific GitHub repo or a forum post) will help in identifying the exact paper it belongs to. : The name may be a unique identifier
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.