Microsoft is switching off the COPILOT() worksheet function in Excel on September 14, 2026, with barely a month’s warning. If you are on the Microsoft 365 Insider or Frontier channels and have COPILOT() formulas sitting in a workbook, assume they will break. Convert those results to static values now, before the deadline. Here is exactly […]
Ten Critical bugs fixed in Microsoft’s August 2026 Patch Tuesday can be triggered just by previewing a file. No opening it, no macro warning, no “Enable Content” click. Selecting a message in Outlook’s Reading Pane or clicking a file once in File Explorer is enough to run an attacker’s code on an unpatched machine. That […]
Large Excel worksheets punish you for a moment of inattention. Your eye drifts one row, you type a score or a price into the wrong cell, and nobody notices for weeks. Excel can fix that by highlighting the row and column of whatever cell you click on, so the right cell is always obvious. It […]
Typing a number into the wrong row is one of the easiest mistakes to make in a large worksheet and one of the hardest to spot weeks later. Excel’s Focus Cell fixes that by shading the entire row and column of whatever cell you click on, so the right cell is always obvious. It is […]
Another day, another AI model. At least that’s how it seems. Just between Anthropic’s Claude, OpenAI’s ChatGPT, and Microsoft’s own MAI models, there’s a constant flow of new and updated AI models for Microsoft 365 apps. Be aware of changes in AI models because the new software can behave in a different way. Sometimes better, […]
