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Recorded 15 Oct 2026 at 11:19 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

Microsoft 365 roadmapMicrosoft 365 roadmap

Microsoft Copilot (Microsoft 365): Support for summarization of very long documents

Copilot in Word can summarize documents up to about 1,500,000 words or 3,000 pages. This summary will be available on top of the document.

What it said

Roadmap ID
478645
Status
Rolling out
General availability target
May CY2025
Preview target
Not stated
Products
Microsoft Copilot (Microsoft 365), Word
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability
Platforms
Desktop
Added to the roadmap
25 Feb 2025 19:00 UTC
Last changed
5 Jun 2025 23:00 UTC

Source evidence when recorded

Microsoft 365 roadmap
IncompleteRead 15 Oct 2026 at 10:17 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

Page history

Changes are dated when recorded; day views use the last saved version from that UTC day, and citations stay fixed.

Cite this version
Field-level log (3)

Up to 100 recent field edits are shown; older edits may be outside retention.

  1. 15 Oct 2026 · 11:19:54 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
  2. 14 Oct 2026 · 11:54:40 UTC Source coverage: microsoft-365-roadmapIncomplete → Current
  3. 14 Oct 2026 · 11:22:42 UTC Source coverage: microsoft-365-roadmapCurrent → Incomplete
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 21:06 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current

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