Delete all Microsoft 365 groups and SharePoint sites

Summary

Another example how you can delete all Microsoft 365 Groups and 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.

CLI for Microsoft 365 with PowerShell
PnP PowerShell

### Warning. Use with caution. This script deletes all M365 Groups and SPO Sites in your tenant
$devAccount = "<putyourupnhereforsecuritycheck>"
### Deletes the resources from the recyclebin. The CLI does not support this feature yet
$skipRecycleBin = $true

$m365Status = m365 status
Write-Host $m365Status
if ($m365Status -match "Logged Out") {
  # Connection to Microsoft 365
  m365 login
  $m365Status = m365 status
}

# Check added as security measure
if ($m365Status[0].ToString().IndexOf($devAccount) -eq -1) {
  Write-Host "The user does not match the target development account. Stopping..." -ForegroundColor Red
  return;
}

Write-host "Retrieving all groups..."
$allGroups = m365 aad o365group list -o json | ConvertFrom-Json
$groupCount = $allGroups.Count

Write-Host "Processing $groupCount sites..."
#Loop through each site
$groupCounter = 0

foreach ($group in $allGroups) {
  $groupCounter++
  Write-Host "Deleting $($group.displayName)... ($groupCounter/$groupCount)"
  m365 aad o365group remove --id $group.id --confirm $true
}

Write-host "Retrieving all SPO sites..."
$allSites = m365 spo site classic list -o json --query "[?contains(Template,'SITEPAGEPUBLISHING') || contains(Template,'STS')]" | ConvertFrom-Json
$siteCount = $allSites.Count

Write-Host "Processing $siteCount sites..."
#Loop through each site
$siteCounter = 0

foreach ($site in $allSites) {
  $siteCounter++
  Write-Host "Deleting $($site.Url)... ($siteCounter/$siteCount)"
  m365 spo site remove --url $site.Url --skipRecycleBin $skipRecycleBin --confirm $true
}

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

$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{
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 url of the site just deleted , i.e. to avoid message "This site address is available with modification"
Remove-PnPTenantDeletedSite -Identity $_.Url -Force
}

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

Source Credit

Sample first appeared on Delete all Microsoft 365 groups and SharePoint sites | CLI for Microsoft 365

Contributors

Author(s)
Patrick Lamber
Reshmee Auckloo

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.