: Right-click only the file ending in .001 .
: Select "Extract Here" or "Extract to [Folder Name]" . The software will automatically find the subsequent parts and combine them into the final file. Troubleshooting M20CH03.7z.001
: Ensure all numbered segments (M20CH03.7z.001, M20CH03.7z.002, etc.) are in the same folder . : Right-click only the file ending in