

If you allow anonymous access links, specify automatic expiration dates for them. Set anonymous links to expire in these many days New and existing external users (sign-in required)Īllow both existing and new external users to access shared content once they have signed in with a Microsoft account.Īllow use of anonymous links, which do not require sign-in to access Require external users (guests) to sign in with a Microsoft account before accessing content, and limit sharing to external users who already exist in your directory because they either have already been shared with or were manually imported.

Only existing external users (sign-in required) Let users share SharePoint Online and OneDrive content with people outside the organizationĮnable external sharing at the tenant level, subject to the constraints you specify below. Here is more detailed advice on selecting the best options for your organization: Choose this option:

In most cases, the second option, “New and existing external users (sign-in required)” is recommended because it provides a balance of flexibility and control. You can then specify options to control tenant-level external sharing: Open the Microsoft 365 Admin Center (formerly Office 365) and go to Settings –> Services & add-ins –> Sites. When configuring external sharing in Microsoft SharePoint, it is best for your admin teams to start at the tenant (organization) level. Microsoft 365 Admin Center: Tenant-level Settings for External Sharing The Ultimate Guide to SharePoint Permissions Best Practices
