It typically offers a much higher compression ratio than standard .zip files.
If you did not expect to receive this file or do not recognize the sender, exercise caution before opening it. While the 7-zip format itself is safe, archives can be used to deliver malicious scripts or executables. KLVN0903T.7z
While native to the 7-Zip program , these files can be opened by various utilities, including WinZip and Unzip One . How to Access the Contents It typically offers a much higher compression ratio