You must have every part of the sequence (e.g., .001 , .002 , up to .006 ) in the same folder .
Select "Extract Here" or "Extract to [Folder Name]." The software will automatically read through all the parts, including your .006 file, to rebuild the original video. Troubleshooting: videos.7z.006
Right-click only on the first file (ending in .7z.001 ). You must have every part of the sequence (e