Yocpsky189.7z.001 -

Files with these naming conventions (often a string of letters and numbers followed by a part number) are frequently found in:

: The archive was created using 7-Zip compression software. YOCPSKY189.7z.001

: Game mods, high-definition video collections, or specialized software libraries. Files with these naming conventions (often a string

: You cannot open .001 alone. You must have .002 , .003 , etc., in the same folder. high-definition video collections

: This indicates it is the first part of a multi-part compressed archive.