How to unzip a file in Powershell

This article explains how to unzip a file in Powershell, we need to compress the script output or one just wants to unzip file using Powershell script. When there are large files zipped or you want to unzip any reports that are archived then we can do with Powershell, here are simple code performs the unzip function. Expand-Archive This Powershell command extracts the compressed zipped files and we need to give the source files path to unzip and a destination path to extract them. [-Path] <String> [[-DestinationPath] <String>] [-Force][-PassThru] [-WhatIf] [-Confirm]  [<CommonParameters>] Example 1

Expand-Archive c:\apps.zip -DestinationPath c:\temp

The above simple one like code extracts the apps.zip file in destination location C:\temp Example 2

Expand-Archive -LiteralPath C:\source\file.Zip -DestinationPath C:\destination

Example 3

Expand-Archive -Path file.Zip -DestinationPath C:\destination -Force

The above simple one like code we used the parameter Force which overrides the files in destination location if the file name matches or already exists. Let’s create a function and make it useful whenever we need it.

Add-Type -AssemblyName System.IO.Compression.FileSystem
function UnzipFiles
{
    param([string]$zippedfile, [string]$outpath)

    [System.IO.Compression.ZipFile]::ExtractToDirectory($zippedfile, $outpath)
}

Unzipfiles "C:\a.zip" "C:\a"

The variable used in this script are. $zippedfile= You need to specify the path where the zipped file exists $outpath= You need to specify the path where you want to unzip or extract the files.

Unzipfiles “C:\a.zip” “C:\a”

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