Azure AD B2B - Consumer Account Domain List

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Occasional Contributor

Hi,

we plan to invite hundreds of different external users with different mail addresses to our AAD tenant by AAD B2B.

Therefore we created a csv file which will be used as input for a PS script that leverages the B2B API.

We are not 100% sure, if the external users already have an existing AAD Tenant nor if some accounts are treated as consumer accounts. That would be really important for us to know, as this leads to a different signup process from the end user perspective (external AAD Tenant User vs. MS Account).

Is there any list that shows what domains are treated as consumer domains by Microsoft?

What about regional Mail providers? Are mail addresses with such mail domains already marked as consumer accounts by microsoft?

So far I just know the usual suspects (e.g. gmail.com, outlook.com), but i didn't found any official list.

 

 

best regards

Gottfried

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