Exchange online gcc high federation exchange online comercial

Occasional Contributor

Hello all

 

I would like to understand what federation features are available for exchange online  between a commercial and gcc high tenant ?  Example is free\busy sharing possible? is mailbox access \permissions available?  I am reading some interesting Azure B2B settings, and wonder if these settings will work to allow users in a gcc high tenant access mailbox data in a commercial tenant?

 

https://office365itpros.com/2022/02/08/azure-ad-cross-tenant-access/

 

 

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