"Thankful_Scarce_Lock.7z.001" represents the first segment of a multi-part split archive, requiring all subsequent parts (.002, .003, etc.) in the same folder to be extracted using tools like 7-Zip. As these files are often associated with file-sharing sites like the now-defunct AnonFiles, they carry a high risk of malware and, without all parts, will likely produce an "unexpected end of data" error. For more technical details on handling these file types, visit Microsoft Q&A . How to Extract .7z.001 files - Microsoft Q&A