If you found this on a repository like Booth.pm , Patreon , or a file-sharing site, the "deep text" is usually the creator's product description page , which lists the version history (indicated by the _v in your filename). Do you have the other parts of the archive, or
It uses the 7-Zip compression format, known for high compression ratios. You will need software like 7-Zip or WinRAR to open it. SS-Vio-003_v.7z.001
VMD files or FBX animations if the asset is part of a cinematic or game-ready pack. How to Access the "Deep Text" (Metadata) If you are looking for the "text" inside or about the file: If you found this on a repository like Booth
Large image files (4K/8K) for skin, clothing, and environment mapping. or a file-sharing site