: Offers better compression ratios than standard ZIP formats, especially for large datasets.
: If you are trying to open a file with a name like "T4" , ensure it is from a trusted source. Malicious archives can sometimes be used to spread malware. T4.7z.001
If you are looking for a "review" of the tool needed to handle these files, users on SourceForge and other platforms consistently highlight these pros and cons: : : Offers better compression ratios than standard ZIP