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 ...

Managing data in Microsoft Excel often requires splitting cells into columns or rows to improve organization and usability. Whether you’re handling simple lists or working with complex datasets, Excel ...

If you use Microsoft Excel spreadsheets on a daily basis and find yourself repeating the same old boring tasks, you may be interested in a new video created by the team at My Online Training Hub.