You will get an error if Flash Fill cannot find the pattern. The first thing to check is that you're using Flash Fill close to the source data (e.g., in the adjacent cell). For instance, it won't work ...

Excel formulas are a powerful way to quickly manipulate and display the data in your spreadsheets to your exact specifications. Once you've created an effective formula for your data, you may want to ...

Have you ever opened an Excel spreadsheet and felt instantly overwhelmed by its endless rows, columns, and cryptic formulas? You’re not alone. Many people see Excel as a labyrinth of complexity, ...