You can't share apps to a specific Organizational Unit (OU). But you can share apps with specific security groups. So if you have a security group that includes all the users in the OU that will work for sharing.
Hi @Hasani ,
Could you please share a bit more about the OUs that you mentioned? Do you mean External users or Organization Unit?
If you want to share your app to external users (Guest) from your AD, please check the following article:
If you want to share your app to your whole organization, please type Everyone within the sharing panel box as below:
Please take a try with above solution, then check if it could help in your scenario.
Just an FYI. The article you are quoting for sharing with External Guests is out of date and no longer works. The ability to share with External Guests will be coming sometime after the announcements on October 1. But the public preview is no longer functional since some of the details have been altered.
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