VLOOKUP has been the go-to function for looking up data in Excel for years, but it comes with limitations. You can only ...

You can use ISERROR to test whether a value or the results of a formula are an error. It will return TRUE if it detects an ...

Struggling with messy paired columns? Discover step-by-step Power Query techniques to simplify your data and save time on ...

This guide introduces journalists to valuable information sources for China-focused investigations and demonstrates practical ...

DuckDB is an embedded database, similar to SQLite, but designed for OLAP-style analytics. It is crazy fast and allows you to read and write data stored in CSV, JSON, and Parquet files directly, ...