I've got two different companies both on Office 365. I've hired an assistant in one company, but I want her to manage my mail and calendar from the other company too. Looks like I can't directly delegate across domains/orgs/GALs (Global Address Lists).

So... Is there a way to do with without creating a full licensed user in the second organisation? This is less about saving $5/m and more about reducing her need to log in and juggle different accounts for her self on top of mine. Something like a forwarding identity or something like that?


1 Answer 1


Azure AD administrators can invite users from other Azure AD tenants to be part of their directory. Step by step guidance for your reference: Cross-tenant Collaboration with Connected Organizations and Azure AD Entitlements!

  • Wicked, thanks. Going to check that out Dec 9, 2021 at 8:34

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