Excel Tips & Tricks
Excel Tricks
Flash Fill
Next to the column of data you're manually correcting (such as splitting full names into first and last name), make your corrections manually in the next column, select the empty rows and hit CTRL+E to Flash Fill
Pivot Tables
Goal Seek
For forecasting / setting targets
Data > Data Tools > What-If Analysis > Goal Seek
Forecasting
For forecasting graphs, Data > Forecast > Forecast Sheet
Index and Match
VLOOKUP only looks at the first column in your table; INDEX and MATCH can be used to lookup across columns