You are the Office 365 administrator for your company. The company uses Office 365 ProPlus and has multiple Microsoft Sh

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You are the Office 365 administrator for your company. The company uses Office 365 ProPlus and has multiple Microsoft SharePoint Online sites.
The company recently started a project that requires employees to collaborate with external users on the development of a set of documents that are stored in a team site.
You need to ensure that external users can access and edit the documents without affecting the security of other content.
What should you do?

A. Configure and share guest links to the documents for the external users.
B. Configure and share a guest link to the existing SharePoint team site for the external users.
C. Share documents by using the Share function and adding the external users to the Contributors group.
D. Share the existing SharePoint team site by using the Share function and adding the external users to the Contributors group.