This indicates a "split" archive. Large files are often broken into smaller pieces (e.g., .001 , .002 , .003 ) to bypass file size limits on certain storage systems (like FAT32) or to make uploading/downloading more manageable [1, 2].
This specific string appears to be an automatically generated or randomized identifier . Such strings are frequently associated with: ZZLSWRDHMP.7z.002
You cannot open a .002 file individually. To access the contents, you must: This indicates a "split" archive
The data is compressed using the LZMA or LZMA2 algorithm , which provides high compression ratios [3]. ZZLSWRDHMP.7z.002
Do you have the of this archive, or would you like help identifying which program might have created it?