You must have Vi9v.7z.001 , Vi9v.7z.002 , and Vi9v.7z.003 (and any others in the sequence) in the same folder.
Use 7-Zip or WinRAR to open only the .001 file. Vi9v.7z.003
Solid compression is a 7-Zip feature that treats multiple files within the archive as one continuous data stream. You must have Vi9v
To extract a single file from the middle of a solid archive (or a later segment like part .003), the software must decode all preceding data in that "solid block." If one part of the archive is corrupted, it often becomes impossible to recover any subsequent files in that block. How to Use This File You must have Vi9v.7z.001
It significantly reduces the size of the archive, especially when compressing many similar files.