Follow these steps to add a guest user to your directory using the Microsoft Entra ID page.
1.Sign in to the Azure portal.
2.Make sure your organization's external collaboration settings are configured such that you're allowed to invite guests. For more information, see Configure external collaboration settings.
3.Click Microsoft Entra ID > Users > New guest user.
4.Follow the steps to add a new guest user. For more information, see Add Microsoft Entra B2B collaboration users in the Azure portal.
After you add a guest user to the directory, you can either send the guest user a direct link to a shared app, or the guest user can click the accept invitation link in the invitation email
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