» Filtering a List into Unique Records Using the COUNTIF Formula
To filter a List into unique records using the COUNTIF formula:
1. Select cell B2, and insert the formula =IF(COUNTIF($A$2:A2,A2)1,1,0).
2. Copy the formula from cell B2 downwards.
3. From the Data menu, select Filter, AutoFilter.
4. Select cell B1 and press Alt+Down Arrow to open the filtering dropdown list or open it by clicking the dropdown arrow and then selecting 0.
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