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 ...
Click "Format" next to the Replace With field, and select the correct number format in the Number tab (in this case, ...
The ampersand symbol is a quick and easy way to combine data in Excel. To explain this method to you, I have created sample data in Excel with the names of some persons (refer to the above screenshot) ...