Right-click the file and run a scan with your antivirus (e.g., Windows Defender) before opening.
Use the "Test" function in 7-Zip. This scans the files for corruption and lists the file names contained within the volume. Check for "Comp" Context: Alotta Comp 7z 003
Because .7z files can execute scripts or contain malware, only extract this if you trust the person or site it came from. Right-click the file and run a scan with your antivirus (e
"Comp" often stands for "Compilation." Check if the file sizes of the internal items match standard media formats (MP3, WAV, MKV). Alotta Comp 7z 003