To understand 00278.7z.002 , we need to break it down into its components:
(like .001, .003, etc.) in the same folder? 00278.7z.002
Remember: To help you further with this file, could you tell me: To understand 00278
The files must be named filename.7z.001 , filename.7z.002 , etc. If they are named differently, the program cannot link them together. To understand 00278.7z.002
Ensure you truly have every single file in the sequence. If the archive goes up to .005 , you need all five.
Ensure you have 00278.7z.001 , 00278.7z.002 , and any subsequent files in the same directory.
, if any, are you getting when you try to open it?