Microsoft is retiring the COPILOT() function in Excel, ending roughly a year of testing. According to Message Center MC1454373, the function will become unavailable after September 14, 2026. COPILOT() ...

Those of you with Microsoft 365 subscriptions may have noticed that Copilot now pops up in Word and other applications in the suite. How did it get there when you didn’t buy or request Copilot and don ...

Microsoft removes the Excel =COPILOT function on Sept 14, 2026. Use the Copilot side pane for the same AI features: summaries, classification, content generation. =COPILOT calls stop working after ...

Last year, Microsoft introduced the concept of agents in Microsoft 365 Copilot. Microsoft even allowed enterprise users to create their own AI agents using Copilot Studio. Since then, Microsoft has ...

Microsoft is rolling out a useful feature for Office users this week. The company has introduced Agent Mode inside Word, Excel, and PowerPoint, a more powerful version of the Copilot experience that ...

Microsoft is rolling out Copilot Chat to Word, Excel, PowerPoint, Outlook, and OneNote for paying Microsoft 365 business customers. Copilot Chat (short for Microsoft 365 Copilot Chat) is the company's ...

Microsoft’s new Copilot function in Excel lets users generate, analyze and explain data directly from cell formulas, marking a major step toward full AI integration within spreadsheets. Microsoft’s ...

Next month, Microsoft will begin automatically installing the Microsoft 365 Copilot app on Windows devices outside the European Economic Area (EEA) region that have the Microsoft 365 desktop client ...

Andrew Kessel was a breaking news writer for Investopedia until October 2025. He previously covered markets for Proactive Investors, with a focus on small-cap stocks in fintech, healthcare, mining, ...

Microsoft will retire Excel's COPILOT() function on Sept. 14, 2026. Excel Copilot remains available through the side pane and other AI features. Microsoft is consolidating Excel AI around centralized ...