Let’s create a web site that is publically available on Office 365…

From the administration, go in the SharePoint admin and create a public web site collection:

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Enter the Web Site information. As you can see, you can only choose 1 address which mean one Public Web Site:

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Then wait for the site to be provisioned :

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Notice that the New Public Web Site option is now greyed out…

Navigate to you site :

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