When using 7-Zip via the command line, the -mx switch determines the compression level. The number following "x" (ranging from 0 to 9) dictates how hard the computer works to shrink the file: No compression (Store mode). x1: Fastest compression; uses a 1 MB window size . x5: Normal compression (Default).
You can open these files using the 7-Zip File Manager or third-party tools like WinZip .
"X1.7z" typically refers to a that uses specific configuration settings or command-line parameters. In the context of 7-Zip optimization, "x1" often represents the lowest compression level (Fastest), which uses a 1 MB dictionary size to prioritize speed over file size reduction. Understanding the .7z Format
It can handle archives up to 16,000,000,000 GB.
