Microsoft.Online.SharePoint.PowerShell module: setup and commands

Module 2 min read Windows PowerShell 5.1 and PowerShell 7

Written and tested by Dhrub Bharali · Updated 02 October 2026

Connect to the SharePoint Online admin service, inventory sites with Get-SPOSite and verify tenant permissions before changing site settings.

Getting it

Install-PSResource -Name Microsoft.Online.SharePoint.PowerShell from the PowerShell Gallery, then connect with Connect-SPOService -Url https://<tenant>-admin.sharepoint.com.

Examples

1PS> Get-SPOSite -Limit 100

Show reference output

1 Url Owner StorageUsageCurrent

2 --- ----- -------------------

3 https://contoso.sharepoint.com/sites/IT admin@contoso.com 1280

1PS> Get-SPOExternalUser -PageSize 50

Show reference output

1 Email DisplayName AcceptedAs

2 ----- ----------- ----------

3 guest@example.test Sample Guest guest@example.test

What it is for

Use it for site inventory, storage reporting, and tenant sharing policy checks. It is also where a site quota or sharing capability gets changed across many sites at once.

Typical tasks

Inventory site collections with storage used
Find sites with external sharing enabled
Report site owners and administrators
List external users across the tenant
Adjust the storage quota on a site
Identify sites with no recent activity

Check the installed version

1PS> Get-Module -ListAvailable Microsoft.Online.SharePoint.PowerShell | Select-Object Name, Version, Path

2PS> Get-Command -Module Microsoft.Online.SharePoint.PowerShell

Compare the module path and version with the session used by your scheduled task or automation account. Use it for site inventory, storage reporting, and tenant sharing policy checks. It is also where a site quota or sharing capability gets changed across many sites at once.

Primary documentation

Microsoft 365, Entra and Azure documentation

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