Form based authentication in 0ffice 365

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Office

authentication

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Hi,

I am experimenting with Office365 and SharePoint online.

I am looking at the public website capabilities. I want to have user forms based authentication but I do not want to add all my users to Sharepoint.

I am looking for a forms authentication based solution that does not rely on Sharepoint authentication.

I know this is possible using the server versions of Sharepoint, but I am not able to find a solution for online

Please help.
Thanks in advance :)