Add deprecation warning for Document Library tab creation via Graph API by khaira777 · Pull Request #9647 · microsoftgraph/microsoft-graph-docs-contrib

Microsoft support has confirmed that the Document Library tab creation method using app ID com.microsoft.teamspace.tab.files.sharepoint is deprecated and no longer supported via Graph API. This commit adds a warning to the documentation to prevent developers from using this outdated method.

Important

Required for API changes:

[] Link to API.md file: ADD LINK HERE
[] Link to PR for public-facing schema changes (schema-Prod-beta/v1.0.csdl) PR DOESN'T INCLUDE API.MD or PERMISSIONS CHANGES: ADD LINK HERE

Add other supporting information, such as a description of the PR changes:

This PR adds a [!WARNING] callout to the "Document library tabs" section to inform developers that the method for creating document library tabs using the app ID com.microsoft.teamspace.tab.files.sharepoint is deprecated and no longer supported via Microsoft Graph API.

The change is based on confirmation from Microsoft support that this method is no longer functional and should not be used. This update helps prevent confusion and errors for developers referencing outdated documentation.

References:

https://learn.microsoft.com/en-us/answers/questions/2156369/not-able-to-see-document-library-content-inside-ms?comment=answer-1912817&page=1#comment-2088907
Microsoft External Staff response (via Prasad-MSFT, July 2025)

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