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PowerShell script to download DevOps Extensions from the marketplace as a local file
[Parameter(Mandatory = $true)]
[string] $Publisher,
[Parameter(Mandatory = $true)]
[string] $ExtensionName,
[Parameter(Mandatory = $true)]
[ValidateScript( {
If ($_ -match "^([0-9].[0-9].[0-9])") {
else {
Throw "$_ is not a valid version number. Version can only contain digits"
[string] $Version,
[Parameter(Mandatory = $true)]
[string] $OutputLocation
Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"
Write-Output "Publisher: $($Publisher)"
Write-Output "Extension name: $($ExtensionName)"
Write-Output "Version: $($Version)"
Write-Output "Output location $($OutputLocation)"
$baseUrl = "https://$($Publisher)$($Publisher)/extension/$($ExtensionName)/$($Version)/assetbyname/Microsoft.VisualStudio.Services.VSIXPackage"
$outputFile = "$($Publisher)-$($ExtensionName)-$($Version).visx"
if (Test-Path $OutputLocation) {
try {
Write-Output "Retrieving extension..."
[uri]::EscapeUriString($baseUrl) | Out-Null
Invoke-WebRequest -Uri $baseUrl -OutFile "$OutputLocation\$outputFile"
catch {
Write-Error "Unable to find the extension in the marketplace"
else {
Write-Output "The Path $($OutputLocation) does not exist"

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azurekid commented Jan 2, 2020

Download DevOps extensions

This PowerShell script can be used to download a .visx file from the Visual Studio Marketplace to a local machine
The required properties for downloading the .visx file can be found in the URL and properties of the extension.

The first part of the URL shows the publisher and the second part the name of the extension file


The version number can be found in the properties field under more info:



Get-Extension -Publisher 'gep13' -ExtensionName 'chocolatey-azuredevops' -Version '0.2.0' -OutputLocation 'C:\Users\Azurekid'

Get-Extensions `
    -Publisher <publishername> `
    -ExtensionName <displayname of the extension> `
    -Version <specific version> `
    -OutputLocation <Path to save the file>
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