The file is the second segment of a multi-part compressed archive created using 7-Zip .
: Use caution when opening archive files from unknown sources. Large, split archives are a common vector for malware. It is recommended to scan the reconstructed file with an updated antivirus before opening. RUS-21.7z.002
Because it is a "split" archive file, it does not contain a complete set of data on its own. To access its contents, you must have all corresponding parts (e.g., .001 , .002 , .003 ) in the same folder. Understanding the Split Archive Format The file is the second segment of a
: The U.S. Department of Agriculture uses "RUS" prefixes for various accounting, loan, and engineering documents (e.g., RUS Bulletin 1767 ) [1.1.1]. It is recommended to scan the reconstructed file
: You cannot open .002 directly. You must start the extraction process with the first file in the sequence, typically RUS-21.7z.001 [ 1.2.2 ].