7-Zip is the standard, free tool for handling these files on Windows. Download and install 7-Zip. Step 2: Right-click on the first file ( ...v.7z.001 ). Step 3: Select 7-Zip > Extract Here .
To access the data inside, you can't just open one part. You need to combine them. Here is how to do it efficiently. 1. The Key Requirement: Get All Parts
Here is a useful blog post designed to help users handle this type of file.

