Right-click specifically on the file ending in .001 . Extract: Select "Extract Here" or "Extract to KR5."
This indicates the file was created using 7-Zip , a popular high-compression archiving tool. KR5.7z.001
In short, seeing a .001 file is just a sign that you have a large package arriving in several boxes—you just need to gather them all in one room before you start unpacking. Right-click specifically on the file ending in
You might split a large folder so that each piece fits onto a standard USB drive or DVD. How to Open It KR5.7z.001
This is the custom name given to the file by the person who created it.