M365 Copilot Update Digest

Unofficial update digest

Daily digest

2026-05-29

An unofficial daily digest that organizes public Microsoft 365 Copilot, Copilot Studio, and Agent Builder updates.

Last updated02/08/2026, 04:32

Last checked02/08/2026, 04:32

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Highlights

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

Available today: Anthropic Claude Opus 4.8 in Microsoft 365 Copilot

Today we’re expanding model choice in Microsoft 365 Copilot with the addition of Anthropic’s latest model—Claude Opus 4.8. Available now in Copilot Cowork (Frontier) and rolling out to Copilot Chat, Excel, PowerPoint, and Copilot Studio. Opus 4.8 builds on Opus 4.7 and previous...

Published
05/29/2026
Source
Microsoft 365 Copilot Blog
Why it matters
because it changes builder workflows or agent quality management / because it changes document or presentation workflows
Open source

Full list

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

Available today: Anthropic Claude Opus 4.8 in Microsoft 365 Copilot

Today we’re expanding model choice in Microsoft 365 Copilot with the addition of Anthropic’s latest model—Claude Opus 4.8. Available now in Copilot Cowork (Frontier) and rolling out to Copilot Chat, Excel, PowerPoint, and Copilot Studio. Opus 4.8 builds on Opus 4.7 and previous...

Published
05/29/2026
Source
Microsoft 365 Copilot Blog
Why it matters
because it changes builder workflows or agent quality management / because it changes document or presentation workflows
Open source