Microsoft sketches out a Whiteboard extension

Microsoft is giving customers who are still clinging to its doomed legacy Whiteboard technology a lifeline, and has pushed the deletion date to October 16, 2026. The migration tooling for "legacy enterprise whiteboards" will be retired on September 25, 2026, and the standalone Microsoft Whiteboard app will be deprecated on November 30, 2026. To be clear, Microsoft Whiteboard as a concept is not going away - this is more about migration for Azure-based files. The original dates were August 22 for