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AI tool

Microsoft Copilot

Microsoft's general AI assistant for conversational answers, web-supported research, writing, file-assisted work, and image creation across supported surfaces.

Editorially reviewedVerified 2026-08-112 official or primary sources

What it is

Microsoft Copilot is the consumer-facing assistant available on the web and across supported Microsoft applications and devices. Official help material describes conversational search, writing support, file uploads, image creation, voice, and other assisted tasks.

Keep the evaluation tied to the exact Copilot experience in scope. Consumer Copilot, Microsoft 365 Copilot, and embedded application features can have different identities, data paths, controls, availability, and administrator settings.

Worth evaluating for

  • General web-supported questions and drafting with a human reviewer
  • Teams already comparing Microsoft assistant surfaces
  • Pilots that need text, files, voice, or image creation in one interface

What to measure

  • Source traceability and factual accuracy on representative questions
  • Identity, retention, connected-data, and administrator controls for the chosen surface
  • Language, region, device, and feature availability for intended users

Decision cautions

  • Microsoft uses the Copilot name for several distinct experiences, so product scope must be explicit.
  • Web-grounded or fluent responses can still misread sources or state unsupported claims.
  • Connected files and services should be tested with least-privilege access and non-sensitive pilot data.

Sources checked

Open the original pages before relying on a time-sensitive product decision.

  1. Microsoft CopilotMicrosoft
  2. Microsoft Copilot help and learningMicrosoft
Version · v4.3.4-indexnow-root-proof

Latest releases

IndexNow root-proof request compatibility

After v4.3.3, the exact root-level {key}.txt proof returned HTTP 200, but a full request carrying keyLocation still returned HTTP 403; a minimal homepage request with the same production key and no keyLocation returned HTTP 202. This release omits that field, while the automatic full run and idempotent rerun remain deployment checks.

IndexNow key-proof compatibility

Changed IndexNow verification to the official root-level {key}.txt convention after the first production notification returned HTTP 403; revalidation remains pending, while the website, sitemaps, and Bing sitemap processing are unaffected.

Bing sitemap discovery and IndexNow change notifications

Prepared canonical sitemap discovery for Bing and added automatic IndexNow change notifications while keeping segmented sitemaps authoritative and making no claim that a notified URL has been crawled or indexed.

View all releases