Find objects shared with people outside your organization with ShareGate Migrate.
Prerequisite(s)
You have site collection admin permissions on your targeted site collection(s).
Note: Site collection admin permissions are required, even if you have higher admin privileges, such as SharePoint admin or Global admin.
For more information, see Microsoft administrative permissions.
Tips
To manage all your site collections, you can connect to your central admin or admin center with SharePoint admin, Farm admin, or Global admin permissions.
How-To
Click Security in the main menu.
Click External sharing report under Recommended reports.
Select the target of the report.
Click Next.
Set your options (see below for details).
Click Schedule or Run now.
Report options
Object types
Select the object types that you would want to include in the report.
Sites: In the results, all the sites that are shared to external users will be shown.
Lists: In the results, all the lists that are shared to external users will be shown.
List content: In the results, all the list items and documents that are shared to external users or shared via anonymous guest links will be shown.
Set up automatic export for this report's results
Use local cache
See the Use local cache article.
ShareGate Protect
Our Microsoft 365 governance tool, ShareGate Protect, can help you further report on external sharing.
You can even set automated sharing link policies to keep your tenant clean without ongoing manual interventions.
To learn more, see ShareGate Protect overview and our Pricing page.