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SpaceXAI's Grok for Excel is now available as a free add-in for Microsoft 365 users, placing a third-party AI model inside a productivity suite that Microsoft (MSFT) has built its own AI strategy around.
What's less clear is where the value settles when the tool sitting inside your spreadsheet costs nothing. How the distribution works The add-in model is the key mechanism here.
Microsoft 365 subscribers can install Grok for Excel without paying a fee beyond their existing subscription.
For SpaceXAI, the channel matters as much as the product: the add-in shelf puts Grok in front of users who are already inside Excel workflows, not users who need to be persuaded to adopt a new platform.
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