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 ...
Row precision vs. Aggregation errors: MAP is the best way to use "greedy" functions like AND or OR in a single, dynamic ...
How to automatically fill increment cells in Excel using the Autofill function How to automatically fill increment cells in Excel using the formula Interestingly, we don’t even need a formula for this ...