Acceessing the SharePoint online site

Question

User is external user and wants to access SharePoint Online site for 4 days only ( for particular event)

and when we share this SharePoit online site , user needs is seamless access for them to be able to join the event and see the SharePoint notes,

while accessing the site it should not ask below authentication.

below is the requirement from user:

is there way to enable site for access with out authentication of external user?

access should be as nimble as possible, (no fuss, no clicks, and no extra accounts)

if we choose "anyone" option she can share files and folder but not entire site with out logging in

Please suggest,

It is SharePoint online

Answer 1

Per my knowledge and test, if you want to share a whole site with external users, external users must have to log in SharePoint Online sites with their external accounts.

If you only want to share files with external users, you could use Anyone link without log in.

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