Microsoft bots

3 bots in the directory · Reviewed July 2026

Microsoft's Bingbot builds the Bing index, which also grounds Copilot's web answers across Windows, Edge, and Microsoft 365, and feeds downstream search engines that license Bing's results.

Bingbot

Microsoft's indexer: the crawl behind Bing and the grounding index for Copilot.

Search EngineRespects robots.txt

AdIdxBot

Bing Ads crawler for quality control of ads and destination sites.

Advertising

MicrosoftPreview

Generates page snapshots for Microsoft products.

Operational

Control every Microsoft bot at once

robots.txt lets one rule group target multiple user-agents. These snippets cover all 3 Microsoft tokens in this directory. For finer control, set rules per bot on each bot's page.

Allow all Microsoft bots

User-agent: Bingbot
User-agent: adidxbot
User-agent: MicrosoftPreview
Allow: /

Block all Microsoft bots

User-agent: Bingbot
User-agent: adidxbot
User-agent: MicrosoftPreview
Disallow: /

Careful: this group includes a search engine crawler. Blocking it removes you from traditional search rankings and the AI answers built on that index, not just AI features.

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