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Writer's pictureVijai Anand Ramalingam

How to download blob contents from Azure Storage Account using PowerShell

Updated: Mar 14, 2023

In this article, you will see how to download blob contents from Azure Storage Account using PowerShell.


Install the Azure PowerShell Module:

Open Windows PowerShell window and run the below command.


Install-Module -Name Az –AllowClobber


Download Blob Contents:

Open a text file. Copy and paste the below script. Save the file as script.ps1.


################# Azure Blob Storage - PowerShell ####################

## Input Parameters

$resourceGroupName="psspschennairg"

$storageAccName="psspschennaistorageacc"

$downloadPath=".\Download"

$downloadLocation="Download"


## Connect to Azure Account

Connect-AzAccount


## Function to dlownload all blob contents

Function DownloadBlobContents

{

Write-Host -ForegroundColor Green "Download blob contents from storage container.."

## Get the storage account

$storageAcc=Get-AzStorageAccount -ResourceGroupName $resourceGroupName -Name $storageAccName

## Get the storage account context

$ctx=$storageAcc.Context

## Get all the containers

$containers=Get-AzStorageContainer -Context $ctx

## Loop through the containers

foreach($container in $containers)

{

## check if folder exists

$folderPath=$downloadPath+"\"+$container.Name

$destination=$downloadLocation+"\"+$container.Name

$folderExists=Test-Path -Path $folderPath

if($folderExists)

{

Write-Host -ForegroundColor Magenta $container.Name "- folder exists"

## Get the blob contents from the container

$blobContents=Get-AzStorageBlob -Container $container.Name -Context $ctx

foreach($blobContent in $blobContents)

{

## Download the blob contentFor

Get-AzStorageBlobContent -Container $container.Name -Context $ctx -Blob $blobContent.Name -Destination $destination -Force

}

}

else

{

Write-Host -ForegroundColor Magenta $container.Name "- folder does not exist"

## Create the new folder

New-Item -ItemType Directory -Path $folderPath

## Get the blob contents from the container

$blobContents=Get-AzStorageBlob -Container $container.Name -Context $ctx

foreach($blobContent in $blobContents)

{

## Download the blob content

Get-AzStorageBlobContent -Container $container.Name -Context $ctx -Blob $blobContent.Name -Destination $destination -Force

}

}

}

}


DownloadBlobContents


## Disconnect from Azure Account

Disconnect-AzAccount

######################################################################


Open Windows PowerShell window and navigate to the location where the script file was saved.

Run the following command.


.\script.ps1


Result:

All the blob contents from Azure Storage account downloaded successfully as shown below. Note: Folders will be created with the same name as container name and if folder exists documents gets downloaded in the respective folder.




Summary:

Thus in this article you saw how to download blob contents from Azure Storage Account using PowerShell.

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