Sometimes you need to let external users get access to your Office 365 tenant. When this is one user you can just invite the user from the site. But what will you do when you need to give access to lots of users without a invite.

In this article i explain how you can add multiple users (10, 100, 1000, 10000 ) as a guest to you office 365 tenant.

First of all you need to do the manual invite Once and give the user you have invite 2 roles.

1. Usermanagement
2. Invite guests

The invite guests role explains itself, but you need the usermanagement for changing attributes or removing the user from the tenant.

Ok lets start.

Invite a users from your source tenant in your destination tenant. When you have done this the user should be in your office 365 tenant under guest with a name like.

When you have checked this you can execute the following command to give the right permissions to that user.

*note: the invited user gets an email which he needs to accept so for testing purposes give him a Exchange online license.