Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

PivotTables are static relics; PIVOTBY is the responsive, resilient, and fully auditable future of the modern Excel ...

Fragmenting your data across many Excel tabs is a common habit that silently kills file performance, introduces hidden errors, and turns reporting into a tedious chore. Here's why you need to stop.

Sometimes, the YEAR function returns the correct value, but Excel displays an unexpected year, such as 1900 or 1905. This occurs when the cell containing the YEAR formula is formatted as a Date ...

If you often work with data that starts life as a text file or CSV, Microsoft Excel now has new built-in tools that simplify how that information gets pulled into a spreadsheet. The update introduces ...

If Excel is not recognizing functions after a reboot, here is how you can fix the issue. If your functions are not working after an Excel restart or a computer restart, you can try these solutions to ...

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 ...

EPPlus supports Lambda functions from version 8.2. With Lambda functions you can define custom reusable formulas directly in the workbook, without needing VBA or external code. From version 8.2, ...