AI Copilot in Excel helps clean dates, split columns, and add currency formats, so you save time and make faster, clearer decisions.

From Power Query to the Data Model, here are the five architectural gaps that keep me paying for Microsoft 365.

After playing with Copilot in Excel for a while, I decided to throw a messy sales sheet at Copilot to see if it could ...

Q. How do the TEXTBEFORE and TEXTAFTER functions in Excel work? A. Excel’s TEXTBEFORE and TEXTAFTER functions allow users to quickly split up text in ways that used to require combinations of ...

Regex is a powerful – yet overlooked – tool in search and data analysis. With just a single line, you can automate what would otherwise take dozens of lines of code. Short for “regular expression,” ...

A collection of real-world Excel projects showcasing dashboards, data analysis, budgeting tools, inventory systems, and automation using formulas and pivot tables. Ideal for learning and practicing ...

Abstract: The processing and analysis technology of big data is very important. Through the processing and analysis of big data, some problems that are difficult to solve solely by humans can be ...

Are you looking to get experience with Excel for use in your projects, theses or on the job? Join Daria Orlowska, data librarian, in a live demonstration of combining, organizing and analyzing data.

The SPY mechanical strategy using the end-of-month 200-day SMA is flashing a buy signal, prompting me to re-enter the market. This simple, rules-based approach removes emotion, requires minimal effort ...