X1.7z «ESSENTIAL»

You can open these files using the 7-Zip File Manager or third-party tools like WinZip .

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

A 7z archive starts with a 32-byte header containing the file's signature and a link to the end header. Compression Levels (The "X" Parameter) You can open these files using the 7-Zip