Previews.7z.001 File

Recommend if you are worried about the file's contents. How to Extract .7z.001 files - Microsoft Q&A

: The first part ( .001 ) typically contains the "index" or header information that tells extraction software what files are inside the entire set. Previews.7z.001

Find the for your specific operating system (Windows, Mac, or Linux). Recommend if you are worried about the file's contents