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title: "Microsoft Quietly Shifts Thousands of Office Prompts to In-House AI — Stuff That Spins"
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date: "2026-07-07T19:23:57+00:00"
modified: "2026-07-08T00:02:00.333821+00:00"
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# Microsoft Quietly Shifts Thousands of Office Prompts to In-House AI

**Source:** Unknown  
**Published:** July 7, 2026  
**Original:** https://www.pymnts.com/news/artificial-intelligence/2026/microsoft-quietly-shifts-thousands-of-office-prompts-to-in-house-ai/  

## On this page

- [Overview](#overview)

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## Overview

Microsoft has begun using its own MAI artificial intelligence models rather than those of OpenAI and Anthropicto complete prompts in its spreadsheet and email applications, Excel and Outlook, Bloomberg reported Tuesday (July 7), citing unnamed sources. While there have been previous reports that Microsoft plans to transition to its own AI models, the fact that […] The post Microsoft Quietly Shifts Thousands of Office Prompts to In-House AI appeared first on PYMNTS.com.

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