: This indicates the file uses the 7z format , which is known for its high compression ratio and support for strong AES-256 encryption . It typically uses the LZMA or LZMA2 compression algorithms.
: In 7-Zip command-line usage, -mx specifies the compression level . -mx1 stands for Fastest compression (low ratio but high speed), whereas -mx9 would represent "Ultra" or maximum compression. How to View the Contents altmx1.7z
The file is likely a compressed archive created using 7-Zip , a free and open-source file archiver. Based on the file naming convention, : This indicates the file uses the 7z