Microsoft 365: Set Sensitivity Label on M365 Group
Starting Point
Microsoft 365 allows setting labels on entire groups and sites. The entire content of such M365 group or SharePoint site is then protected. You can set the label using User Interface or Powershell. The option becomes available after you enable labels for groups and sites.
There are several ways to set sensitivity label. Here you can find 5 :) Pick the one that fits your scenario best.
PnP Powershell
If you are already connected to the site:
Set-PnPSiteSensitivityLabel -Identity "a1888df2-84c2-4379-8d53-7091dd630ca7"
or
when using tenant connection:
Set-PnPTenantSite -Identity "https://myTenant.sharepoint.com/sites/testLabel" -SensitivityLabel "a1888df2-84c2-4379-8d53-7091dd630ca7"
SharePoint Online Management Shell
Connect to your SharePoint Online tenant and then run the following cmdlet:
Set-SPOSite -Identity "https://myTenant.sharepoint.com/sites/testLabel" -SensitivityLabel "a1888df2-84c2-4379-8d53-7091dd630ca7"
Microsoft 365 SharePoint Admin Center
Navigate to Admin Center >> Active sites >> select a site >> Settings
Microsoft 365 Teams Admin Center
Navigate to Teams Admin Center. Enter **Manage Teams **tab.
In the top right corner click Edit Team. In the Edit menu, change the Sensitivity
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