Vi9v.7z.003 | DIRECT · PACK |

When you see a file ending in , it means it is the third piece of a larger split archive. The mention of a "solid feature" (Solid Compression) is a specific method used by 7-Zip to improve the compression ratio. Understanding Solid Compression

Solid compression is a 7-Zip feature that treats multiple files within the archive as one continuous data stream. Vi9v.7z.003

Since this is part 3 of a set, you cannot open it by itself. To extract the contents: When you see a file ending in ,