The .7z format, created by 7-Zip , uses a method called to achieve much smaller file sizes than traditional formats like ZIP.
Knowing the software you're using can help troubleshoot the issue. aimstype.7z
Most modern tools, including WinZip and various emulators, can now open or at least read the content of these archives directly. The .7z format
In a standard ZIP, each file is compressed individually. In a "solid" 7z archive, all files are treated as one massive data block. created by 7-Zip