You must specifically right-click on the first file ( .001 ) and select "Extract" or "Open archive" using the 7-Zip GUI.
If the file was downloaded with a slightly different name (e.g., GGIW.7z (2).002 ), it will break the sequence. You must rename it to match the exact prefix of part .001 for the extraction to work.
Do you have the file, or are you trying to recover data from a lone .002 fragment? How to recover corrupted 7z archive
7-Zip will automatically detect the other parts, including .002, and reassemble them into the original file. Common Issues
The file is the second part of a multi-volume 7-Zip archive. Because 7-Zip splits large datasets into numbered segments (e.g., .001, .002, .003), you cannot "look" at or open this specific file on its own; it contains only a middle slice of the total data. How to Access the Content
To see what is inside, you must have all the related parts in the same folder:
If you have all parts but the extraction fails, you may need to use a hex editor to check the Start and End headers or use a repair tool .