Essential PivotTable Tips for Excel Beginners

Highlight Active Row and Column in Microsoft Excel

How to Get Excel for Free (Legally)

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Evolving invention of Fiber Optics 🧵 The invention of fiber optics is one of the most powerful stories in human innovation, tracing how we learned to control and transmit light itself. It began in the 1840s, when Daniel Colladon and John Tyndall demonstrated that light could bend inside a stream of water through total internal reflection — the same principle that powers fiber optics today. In the 1930s, Dr. Heinrich Lamm used tiny glass bundles to transmit images, paving the way for optical ima

How to Auto-Apply Borders in Excel | Smart Formatting Using Conditional Formatting

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Satya Nadella completes the Microsoft 365 Copilot Challenge