Sharing Individual Documents Externally
If you are going to share documents externally in your SharePoint Online site,4 you can either use anonymous guest links or links that require authentication. If you allow anonymous guest links, anyone who gets an invitation can also share that same link with others. You should never use anonymous guest links to share documents that are sensitive, and as a best practice, you should never provide an anonymous link to allow editing of a document. Remember, even though any site user can use the Share option to share a document with an external user in SharePoint Online,...
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