Right-click llP1LC.7z.001 , hover over 7-Zip , and select "Extract Here" or "Extract to..." .
You should only ever attempt to open or extract the (the one ending in .001 ). llP1LC.7z.002
7-Zip will automatically "see" the .002 file in the same folder and pull the data from it as it works. Troubleshooting Common Issues Right-click llP1LC
If you don't have an extraction tool, the official 7-Zip website is the standard, though others like WinZip or Unzip One also work. hover over 7-Zip
The file is the second part of a split compressed archive created with 7-Zip . Because the original data was too large for a single file, it was broken into multiple "volumes" (like .001, .002, .003).