$7zipPath = "C:\Program Files\7-Zip\7z.exe" $sourceFiles = "C:\Archives\*.zip" $dest = "C:\Extracted"

Different passwords → use a CSV mapping script.

Or with find for nested:

This is often preferred to prevent files with identical names in different archives from overwriting one another.

7-Zip, noted for its high compression ratio and open-source nature, provides a robust solution for this problem. While its GUI is functional, the true power of 7-Zip for batch operations lies in its command-line executable, 7z.exe . This paper aims to delineate the technical steps required to leverage this tool for unzipping multiple files simultaneously, moving from basic one-liner commands to complex batch scripts.

The core executable for CLI operations is 7z.exe (or 7za.exe in older standalone console versions). The basic syntax for extraction is:

Get-ChildItem -Path "C:\Archives" -Filter *.zip | ForEach-Object $outDir = Join-Path $_.DirectoryName $_.BaseName & "C:\Program Files\7-Zip\7z.exe" x $_.FullName "-o$outDir" -y