7-Zip is a file archiver with the highest compression ratio. The program supports 7z (that implements LZMA compression algorithm), Oracle Help Center How To Open .7z Files on Android
To "look at" or report on the specific contents of mna.7z , you must use an archive manager: : mna.7z
: Most commonly uses the LZMA or LZMA2 algorithms, which provide a significantly higher compression ratio than standard ZIP files. 7-Zip is a file archiver with the highest compression ratio
: Be cautious when opening archives from unknown sources. A high-severity vulnerability ( CVE-2025-0411 ) was recently identified that could allow attackers to bypass Windows security features to spread malware. How to Open or View the Contents A high-severity vulnerability ( CVE-2025-0411 ) was recently
Alternatively, WinZip and Trend Micro's Unzip One both support the 7z format. :
The macOS Finder can often unpack these natively, but third-party tools like Commander One are required to create them or view contents without full extraction. :
ZArchiver is a common choice for mobile users to extract and view 7z archives. 7z - man pages section 1: User Commands