: Ensure you have all sequential files in the same folder. You will need every part from .001 to .005 (and any subsequent numbers) for the extraction to work. Use a Compatible Extractor :
: Ensure the filenames are identical except for the numbers at the very end. For example, they must all start exactly with girclams_3340_3349.7z . girclams_3340_3349.7z.005
: If you just downloaded part .005, it is useless on its own. You must download the preceding four parts from the original source. : Ensure you have all sequential files in the same folder