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Grok for Outlook is live: xAI's Microsoft 365 add-in opens to X and SuperGrok subscribers

Grok for Outlook, a Microsoft 365 add-in built by xAI, went live today for all paid X and SuperGrok subscribers. The release puts xAI's chatbot inside Outlook, one of the central applications in Microsoft's (MSFT) 365…

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NewsMV Markets Desk
3 min read
21 July 2026Markets desk
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Grok for Outlook, a Microsoft 365 add-in built by xAI, went live today for all paid X and SuperGrok subscribers. The release puts xAI's chatbot inside Outlook, one of the central applications in Microsoft's (MSFT) 365 productivity stack. The next confirmable step: whether xAI extends access to additional tiers or additional Microsoft 365 applications.

Who gets in

Access at launch is limited to two paid user groups: holders of a paid X subscription, and SuperGrok plan members. Pricing for either tier is not disclosed in available reporting. Whether Microsoft 365 Business or Enterprise accounts can enable the add-in independently of an X subscription remains unspecified.

The MSFT setup

Microsoft's Copilot AI is already built into Outlook and the broader 365 suite, so the addition of xAI's Grok as an approved add-in places two AI products inside the same inbox. No financial terms between xAI and Microsoft were disclosed. The open question on the tape is whether Microsoft treats this as a standalone integration or a signal of wider third-party AI access across the 365 platform.

What to watch

No pricing split, rollout calendar, or enterprise licensing detail appears in available reporting. The next event to track: a formal xAI announcement covering expanded tier eligibility or additional Microsoft 365 applications beyond Outlook.

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Key takeaways

Frequently asked

Who can use Grok for Outlook at launch?

Access is limited to holders of a paid X subscription and members of the SuperGrok plan. It is unspecified whether Microsoft 365 Business or Enterprise accounts can enable it independently of an X subscription.

How much does it cost to access Grok for Outlook?

Pricing for the paid X and SuperGrok tiers is not disclosed in available reporting, and no pricing split or enterprise licensing detail is provided.

Does this replace Microsoft's Copilot in Outlook?

No; Copilot is already built into Outlook and the 365 suite, so adding Grok as an approved add-in places two AI products inside the same inbox.

Were financial terms between xAI and Microsoft disclosed?

No financial terms between xAI and Microsoft were disclosed.

What should observers watch next?

A formal xAI announcement covering expanded tier eligibility or additional Microsoft 365 applications beyond Outlook, as no rollout calendar currently exists in available reporting.