(Updated) Outlook: retiring “Contact Masking” (hide suggested recipients) –  March 31, 2026 [MC1234566]

(Updated) Outlook: retiring “Contact Masking” (hide suggested recipients) – March 31, 2026 [MC1234566]

Message ID: MC1234566 (Updated) Updated March 13, 2026: We have updated the content. Thank you for your patience. [What’s changing] In Outlook, users can hide a suggested recipient while addressing an email. For example, selecting the X next to a name…
Copilot extensibility: Microsoft 365 Copilot Declarative Agents model upgrade to GPT‑5.2 [MC1251203]

Copilot extensibility: Microsoft 365 Copilot Declarative Agents model upgrade to GPT‑5.2 [MC1251203]

Message ID: MC1251203 [Introduction]Microsoft 365 Copilot Declarative Agents are being upgraded to the GPT‑5.2 model. This update improves quality and reliability for agent scenarios such as reasoning, multi‑step workflows, tool calling, structured output generation, and document analysis. As with GPT‑5.1,…