High Volume Email for Microsoft 365 upcoming general availability [MC1243552]
Posted inExchange Online

High Volume Email for Microsoft 365 upcoming general availability [MC1243552]

Message ID: MC1243552 [Introduction]Exchange Online includes email‑sending limits based on three factors: recipient rate limit, recipient limit, and message rate limit. To support customers whose internal communication needs exceed these standard limits, we are introducing High Volume Email (HVE) for Microsoft 365.…
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Microsoft 365 Copilot: Updates to PowerPoint on‑canvas features with Agent mode [MC1243550]

Microsoft 365 Copilot: Updates to PowerPoint on‑canvas features with Agent mode [MC1243550]

Message ID: MC1243550 [Introduction]As previously announced in MC1219792, PowerPoint will update the Microsoft 365 Copilot experience by enabling Agent mode for several on‑canvas authoring features, including rewrite, translate, and speaker notes. These enhancements will support more intelligent multi‑step reasoning and…
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Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B guest accounts [MC1243549]
Posted inSharePoint Online

Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B guest accounts [MC1243549]

Message ID: MC1243549 [Introduction]We are retiring SharePoint One‑Time Passcode (SPO OTP) authentication in OneDrive and SharePoint starting July 2026. Beginning in May 2026, new external sharing invitations and authentication will start using Microsoft Entra B2B instead of SPO OTP. This…
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(Updated) Coming Soon: Anthropic models will be available by default in Copilot experiences [MC1193290]

(Updated) Coming Soon: Anthropic models will be available by default in Copilot experiences [MC1193290]

Message ID: MC1193290 (Updated) Updated March 3, 2026: Rollout of Anthropic models in the Researcher agent is ongoing through March. We expect the deployment to reach full completion by the end of the month. During this phased rollout, the Anthropic…
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(Updated) Enhancing Model Context Protocol (MCP) based agents with rich interactive UI widgets support [MC1227627]

(Updated) Enhancing Model Context Protocol (MCP) based agents with rich interactive UI widgets support [MC1227627]

Message ID: MC1227627 (Updated) Updated March 3, 2026: We have updated the timeline. Thank you for your patience. Introduction Model Context Protocol (MCP) based agents in Microsoft 365 Copilot Chat will now be able to surface rich, interactive UI widgets directly…
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