Delete all Microsoft 365 groups and SharePoint sites

Summary

This script sample shows how you can delete Microsoft 365 Groups and associated SharePoint Online sites in your development environment.

Warning

Please be aware this script contains a command that will remove or delete an artifact, ensure you test and understand the implications of running the script.

PnP PowerShell
CLI for Microsoft 365

$AdminCenterURL="https://contoso-admin.sharepoint.com/"

#Connect to SharePoint admin URL using PnPOnline to use PnP cmdlets to delete M365 groups and SharePoint sites
Connect-PnPOnline -Url $AdminCenterURL -Interactive

#Retrieve all M365 group connected (template "GROUP#0" sites to be deleted) sites beginning with https://contoso.sharepoint.com/sites/D-Test
$sites = Get-PnPTenantSite -Filter {Url -like https://contoso.sharepoint.com/sites/D-Test} -Template 'GROUP#0'

#Displaying the sites returned to be deleted
$sites | Format-Table  Url, Template, GroupId

Read-Host -Prompt "Press Enter to start deleting m365 groups and sites (CTRL + C to exit)"

$sites | ForEach-Object {
    #Delete M365 group
    Remove-PnPMicrosoft365Group -Identity $_.GroupId

    #Allow time for M365 group to be deleted
    Start-Sleep -Seconds 60

    #Delete the SharePoint site after the M365 group is deleted
    Remove-PnPTenantSite -Url $_.Url -Force -SkipRecycleBin

    #Permanently remove the M365 group
    Remove-PnPDeletedMicrosoft365Group -Identity $_.GroupId

    #Permanently delete the site and to allow a site to be created with the same URL of the site just deleted, i.e. to avoid message "This site address is available with modification"
    Remove-PnPTenantDeletedSite -Identity $_.Url -Force
}

# Disconnect SharePoint online connection
Disconnect-PnPOnline

Check out the PnP PowerShell to learn more at: https://aka.ms/pnp/powershell

The way you login into PnP PowerShell has changed please read PnP Management Shell EntraID app is deleted : what should I do ?

#Get Credentials to connect
$m365Status = m365 status
if ($m365Status -match "Logged Out") {
    m365 login
}

#Retrieve all M365 groups where display name starts with "Permission" (you can use filter as per your requirements)
$groups = m365 entra m365group list --displayName Permission | ConvertFrom-Json

#Displaying the M365 groups returned to be deleted
$groups | Format-Table displayName, id, mail

Read-Host -Prompt "Press Enter to start deleting M365 groups and associated SharePoint sites (CTRL + C to exit)"

$groups | ForEach-Object {
	#Permanently delete M365 group and associated SharePoint site without prompting for confirmation and without moving it to the Recycle Bin
	Write-Host "Deleting M365 group: $($_.displayName)"
	m365 entra m365group remove --id $_.id --force --skipRecycleBin
}

#Disconnect SharePoint online connection
m365 logout

Check out the CLI for Microsoft 365 to learn more at: https://aka.ms/cli-m365

Important changes coming to the way you login into CLI for Microsoft 365 (effective 9th September 2024) see Changes in PnP Management Shell registration in Microsoft 365

Contributors

Author(s)
Reshmee Auckloo
Ganesh Sanap

Disclaimer

THESE SAMPLES ARE PROVIDED AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.