Microsoft 365 administration
Deployment and some add-in features depend on the manifest, Microsoft 365 authentication, tenant policies, and approved permissions.
2 articlesGuided path
Prepare and support the Office add-in
Confirm hosts, HTTPS URLs, sign-in, policies, and limitations before broad deployment.
- Start here
Understand Office add-in deployment and sign-in
Verify Word and Outlook manifests, HTTPS URLs, authentication, and tenant policies.
Read the article Verify Word and Outlook support
Distinguish active hosts, client-dependent features, and capabilities requiring Microsoft Graph.
Read the article
Guides appear in the recommended order; open the one that directly matches your need.