The .001 extension indicates this is just the beginning of a sequence. You typically cannot extract it without the subsequent parts (e.g., WL.7z.002 , WL.7z.003 , etc.).

The file is the first part of a split compressed archive. To "generate" its content (meaning to extract and view what is inside), you must treat it as a multi-part set rather than a single standalone file. 1. Get the Rest of the Parts

Once you have all parts in one place, use one of these common tools: How to extract part files 001 using 7zip on windows (2026)