Excel: How to gather unique values in one column that are associated with duplicates in another column?

Let me add two additional methods to the answer by @Harun24HR. Both options assume you don’t have headers as per your sample data. Option 1) : Dynamic Array Functions When one has access to dynamic array functions you may use the following: In C1: =UNIQUE(A1:A17) This UNIQUE function will spill an array of unique values … Read more

Convert matrix to 3-column table (‘reverse pivot’, ‘unpivot’, ‘flatten’, ‘normalize’)

To “reverse pivot”, “unpivot” or “flatten”: For Excel 2003: Activate any cell in your summary table and choose Data – PivotTable and PivotChart Report: For later versions access the Wizard with Alt+D, P. For Excel for Mac 2011, it’s ⌘+Alt+P (See here). Select Multiple consolidation ranges and click Next. In “Step 2a of 3”, choose … Read more