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 ...

Creating a budget is the first step toward taking control of your finances, both in life and in business. A budget ...

The SEQUENCE part creates a dynamic list of numbers (1, 2, 3...) that corresponds to the row index. For example, in the fifth ...

Microsoft no longer officially supports Windows 10, so do this if you want to keep using your older PC securely.