So, when you attempt to open such files using freeware utilities like 7-Zip, you may encounter an error, saying Cannot open file as archive. Let us see what you can do about it.

First launched in 1999 and brought into the mainstream by 7-zip compressor, 7z files are those which contain compressed data, which may need to be extracted before it can be accessed.

ChromeOS is now more powerful for managing files, with new support for archive formats like 7z, iso, and tar — with more on the way.

To open an IMG file and view the contents in Windows 7, you need a third-party file extraction program such as WinRar or 7-Zip.

List of best freeware file compression software for Windows 11/10 PC. 7-Zip, PeaZip, IZArc will let you archive & extract files efficiently.

To unzip a .7z file, find it in your iPhone’s downloads folder and then long-press it to open the options. From here, choose ‘Share,’ then, from the list of app icons, select ‘Unzip.’ If you don’t see ...