: Use the official 7-Zip website to download the free tool.
To extract the data, you must use a file archiver that supports multi-part files. AlGf.7z.002
Since these files are usually named systematically, it is likely part of a collection related to or an Algebraic Geometry project, based on the file prefix "AlGf" appearing in various academic and technical contexts. How to Open Split 7z Files : Use the official 7-Zip website to download the free tool