You are the Microsoft 365 administrator for an organization. A group of employees and users outside the company must be able to collaborate on a project in real time by using a whiteboard. In the…

Microsoft Yammer is an enterprise social networking tool focused on community discussions and announcements, not real-time whiteboard collaboration.

Microsoft Office Delve is a people and content discovery tool that surfaces relevant documents and profiles based on user activity, and does not provide any whiteboard or real-time collaboration canvas functionality.

Microsoft SharePoint Online is a document management and intranet platform that supports file sharing and co-authoring documents, but does not provide a native real-time whiteboard feature for collaborative drawing.

Microsoft Teams natively integrates with Microsoft Whiteboard, allowing internal employees and external guest users to collaborate in real time on a shared whiteboard during meetings or channels. Teams supports guest access, making it the correct tool to configure in the Microsoft 365 admin portal for cross-organizational real-time whiteboard collaboration.