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6 Excel problems Microsoft should finally fix in 2026

Excel still trips over dates, ghost links, and undo history. These six fixes would save hours for everyday users.

Word, Excel, PowerPoint automatically reset settings on exit [Fix]

If Word, Excel, PowerPoint automatically reset settings on exit, follow these instructions e.g. check folder and Reigtsry ...

Excel not recognizing functions after reboot

If Excel is not recognizing functions after reboot, change calculation settings, disable Show Formula, run Excel ...

Build Faster Excel Workflows Using FILTER, IFS, XLOOKUP, and LET for Real-World Data

Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

I won the Microsoft Excel World Championship. Here's what every office worker should know about Excel

Diarmuid Early won first place in the 2025 Microsoft Excel World Championship. He has some pointers for using Excel at work.
IEEE

Sliding Mode Learning Control for Interconnected Nonlinear Systems via Data-Driven Self-Triggered Fuzzy Approach

Abstract: This study combines the fuzzy logic and the data-driven technology to solve the reinforcement learning-based sliding mode control problem of interconnected nonlinear systems with unmodeled ...