Use apps like Rar Lab to select the .001 file for extraction. Why Files Are Split
If a file transfer fails, you only need to redownload the specific, small numbered part, not the entire, massive archive. To help you with this, could you tell me: Are you getting a specific error message ? v1.7z.005
This often occurs if files are misnamed or partially downloaded. Use apps like Rar Lab to select the
Large data files are often split to bypass email attachment limits, file-sharing site limitations, or to manage storage on older file systems that don't support files over 4GB. This often occurs if files are misnamed or
Here is a long-form explanation of how to handle and work with this file. Understanding the Split Archive Structure
If 7-Zip fails, try using WinRAR or another archive utility to see if it can handle the split.