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SharePoint Online Extranet Users limitation
I am trying to set up an extranet on SharePoint Online. I have around 50,000 external users who needs to be added as external users (Guest accounts) into our tenant. My tenant has around 3000 E3 lice...
Got response from Microsoft. We can have unlimited number of external guest users thru SPO external sharing. The 1:5 limitation mentioned in Azure B2B collaboration does not apply in this case.
See MS answer in the Github issue: https://github.com/MicrosoftDocs/azure-docs/issues/8564#issuecomment-444918954
Well, it seems that if you use Azure B2B you will need additional licenses...but if you add those external users directly to SPO, you won't need those additional licenses
What do others SharePoint experts follow? Should we even worry about number of external users added? Also, since site owners can add external users themselves it will be difficult to keep track of this.