![]() ![]() These are the same four sharing options that are available for tenant-wide configuration. Select the desired sharing level from the list of sharing options.Click the “i” icon at the top right corner of the page.Select the checkbox next to the site name.In the SharePoint admin center, go to Sites > Active Sites.How to Change the External Sharing Setting for a Site For example, if you allow external sharing via the Microsoft 365 admin center but disable external sharing through Azure AD, the Azure AD setting takes precedence and external sharing will be turned off for your organization. Tip: The sharing settings configured in Azure AD override the sharing settings configured in the Microsoft 365 admin center or SharePoint admin center. Have SharePoint use the external sharing settings defined in Azure B2B and configure B2B collaboration in Azure AD.Go to the Settings page and define the SharePoint online external sharing settings you want to use for your organization. Log in to the Azure Portal and select Azure Active Directory > Overview > Organizational relationships. Have SharePoint use its own external sharing list, independent from Azure B2B, and configure organizational relationships settings in Azure AD.You can approach the Azure AD sharing configuration in either of two ways: ![]() Restrict external sharing with users from blocked domains.įor the highest level of control over external access to SharePoint, configure sharing settings in Azure AD.Enable the ATP safe attachments feature.Restrict default links to be accessible to Only people in your organization.Restrict guest links to allow only view access to files and folders.Configure Anyone links to expire after a certain period of time.If you elect to allow sharing with Anyone, you can improve document management and security by configuring these recommended advanced settings: Beware of leaving the Anyone option selected, as it opens the door to uncontrolled sharing with anonymous, unauthenticated users and may put sensitive data at risk. This option is selected by default, but it’s recommended that you change the external sharing setting to Only people in your organization. Anyone: Allow anyone with the resource link to access the resource and forward the link to others.Site users can also share files and folders to collaborate with external users. New and existing guests: Grant site owners and users full control permission to share sites with external users.This option requires guests to authenticate into Microsoft 365 with valid credentials before they can access shared assets. Existing guests: Permit sharing with external users who have already been added to your Azure AD Existing guests may have joined your Azure AD by accepting a share invitation in the past or by being added as guest users by an administrator in the Azure portal.As a security best practice, it’s recommended that you turn off tenant-wide external sharing by selecting this option. This is the default setting for communication sites and classic sites in SharePoint. Only people in your organization: Turn off external sharing and limit sharing to internal users only.The External sharing section on this page contains options that let you control the tenant-wide sharing level in SharePoint: To configure external sharing settings for the entire tenant, go to the Sharing page of the SharePoint admin center. How to Mitigate the Risk of Unauthorized External Sharing of Critical Data.How to Manage External Sharing for an Individual OneDrive.How to Configure OneDrive Sharing through the OneDrive Admin Center.How to Configure OneDrive Sharing through the SharePoint Admin Center.How to Manage Tenant-Wide Sharing for OneDrive.External Sharing in OneDrive for Business.How to Restrict Access to a Site based on the User Domain.How to Change the External Sharing Setting for a Site.How to Manage Site-Level Access in SharePoint Online by External Users.External Sharing in Microsoft 365: SharePoint Online.What Level of Access Does a Guest User Have?.How to Enable or Restrict the Guest Access Feature.This article explains how to manage guest users and external access in Microsoft 365 to ensure business continuity without compromising the security of your critical data: External sharing: Sharing links to specific SharePoint and OneDrive assets with external parties.Guest access: Sharing content with guest members in Microsoft 365 groups or Microsoft Teams.To mitigate security concerns around sharing, it’s important to understand how to configure the two mechanisms of sharing in Microsoft 365: ![]() What if your files are inadvertently or deliberately shared with the wrong users? What if users mishandle sensitive information? How can you stay in control of your guest users?
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