M365 Copilot Update Digest

Unofficial update digest

Weekly summary

Week of 03/02/2026 - 03/08/2026

2 updates in this week window.

Last updated06/06/2026, 17:46

Last checked09/06/2026, 01:18

Highlights

Microsoft 365 Copilot Official blogs Microsoft 365 Copilot Blog Rolling out Builder-focused

Available today: GPT-5.3 Instant in Microsoft 365 Copilot

Today, we’re excited to announce the addition of OpenAI’s GPT‑5.3 Instant to Microsoft 365 Copilot and Microsoft Copilot Studio. Building on GPT‑5.2 Instant, GPT‑5.3 Instant improves the quality of everyday conversations with more reliably accurate responses, stronger and more e...

Published
03/05/2026
Source
Microsoft 365 Copilot Blog
Why it matters
because it changes builder workflows or agent quality management / because it directly affects meetings or communication workflows
Open source Open daily page
Microsoft 365 Copilot Official blogs Microsoft 365 Copilot Blog Rolling out Builder-focused

Available today: GPT-5.4 Thinking in Microsoft 365 Copilot

Today, we’re bringing OpenAI’s GPT‑5.4 Thinking to Microsoft 365 Copilot and Microsoft Copilot Studio—available in addition to the recent GPT-5.3 Instant update. With GPT‑5.4 Thinking, Copilot can think deeper on complex work by combining advances in reasoning, coding, and agent...

Published
03/07/2026
Source
Microsoft 365 Copilot Blog
Why it matters
because it changes builder workflows or agent quality management / because it matters for builder decisions
Open source Open daily page