Microsoft may train its AI on everything you type in Word and Excel via the Connected Experiences feature that analyzes user-created content. The default setting allows Microsoft to use articles, artwork, and other documents open in Office applications to train AI without asking for user consent in each case. So anyone concerned about protecting their intellectual property or confidential information may want to do something with it. For example, the user can opt out of this feature by disabling the appropriate option in Office settings. However, on a Windows PC it is seven clicks deep in the File menu.

The company's website contains a document called the " Microsoft Services Agreement ." It states that to the extent necessary to provide services to you and others, protect you and the services, and improve Microsoft products and services, you grant Microsoft a worldwide, royalty-free license to use the intellectual property associated with your content, such as copying, storing, transmitting, reformatting, displaying, and distributing your content on the services by means of communications. Doesn't sound great.

Microsoft 365's official X account is denying the accusations.

https://winaero.com/microsoft-may-train-its-ai-on-everything-you-type-in-word-and-excel/