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Microsoft Copilot (Microsoft 365): Agent Mode in Excel for desktop apps

Microsoft 365 Message Center Archive by Merill Fernando

Summary

Agent Mode is releasing to Copilot in Excel on Windows and Mac enabling users to build and edit workbooks with Copilot using multi-step workflows. Eligible licenses can now select which model to use, including both Open AI and Anthropic models.

Status
Launched
General availability target
Jan 2026
Preview target
Not published
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability
Platforms
Desktop, Mac
Source created
17 Dec 2025
Source modified
13 Feb 2026 · 9mo ago
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 11 Nov 16:19 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current