This specific naming convention () is frequently associated with large firmware or software update packages, such as those for operating systems or gaming consoles like the PlayStation 5 (PS5). When files are several gigabytes in size, they are often split into segments labeled .001 , .002 , .003 , and so on. How to Open and Combine the Files
How to extract files from a split 7zip archive? - Ask Ubuntu OS5.7z.004
You cannot open the .004 file by itself. To access the contents, you must have of the archive in the same folder. This specific naming convention () is frequently associated