How to find max or min value based on unique values in Excel?
For instance, you have two column data, and one called Name with some duplicate values, now you want to find out the relative max or min values based on the unique values as below screenshot shown. How can you quickly handle with this task in Excel? In this article, you may find the answer.
Find max or min value based on unique values with creating Pivot Table
Find max or min value based on unique values with Kutools for Excel 
Find unique max or min value from a list with Kutools for Excel
Find max or min value based on unique values with creating Pivot Table
In Excel, PivotTable is a powerful function, you can create a pivot table based on the range, and then find the max or min value by unique values.
1. Select the data you want to find max or min value from, and click Insert > PivotTable > PivotTable. See screenshot:
2. Then check New Worksheet or Existing Worksheet in Create PivotTable dialog as you need, here I check New Worksheet. See screenshot:
3. Click OK. Now a PivotTable Field List pane appears in a new sheet, and check Name (the column you want to select max or min values based on) and right click to Add to Row Labels, and check Score (the column you want to return to max or min value) and right click to Add to Values. See screenshots:
4. Then you can see a pivot table created in the worksheet, and now right click at the Sum of Score and select Value Field Settings from context menu, then in the popping dialog, under Summarize Values By tab, select Max or Min as you need. See screenshots:
5. Click OK. Now the max values of each unique value are found out.
Find max or min value based on unique values with Kutools for Excel
With Kutools for Excel, you can use the Advanced Combine Rows utility to quickly find the max or min value based on unique values.
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After free installing Kutools for Excel, please do as below:
1. Select the data that you want to find max or min value (if you want to keep the original data, you can copy and paste them to another location first), and then click Kutools > Merge & Split > Advanced Combine Rows. See screenshot:
2. Then in the Advanced Combine Rows dialog, do as below:
1) Select the column that you want to get the unique value, then click Primary Key to set it as primary key column. See screenshot:
2) Then select the column which you want to return the max or min value from, and click Calculate > Max or Min to find the max or min value. See screenshot:
3. Now click Ok, and you can see the max or min values of each unique value are found out. See screenshot:
Tip: The Use fomratted values will keep your value formatting after combining.
Click here to know more about Advanced Combine Rows.
Find unique max or min value from a list with Kutools for Excel
If you have a list with some duplicate values, and now you just want to find out the unique max or min value from this list as below screenshot shown, in this case, Kutools for Excel can help you.
After free installing Kutools for Excel, please do as below:
1. Select the list that you want to find the unique max or min value (including header), and click Kutools > Select > Select Duplicate & Unique Cells. See screenshot:
2. In the popping dialog, check Unique values only option, and check Select entire rows checkbox ( if you don’t need to show the corresponding value of the unique max value or min value, uncheck Select entire rows), and click Ok > OK. See screenshot:
Note: If you need to select all unique values and the 1st duplicates, please check the All unique (Including 1st duplicates) option in above dialog.
3. Then you can see all unique rows are selected, press Ctrl + C to copy it, and then go to another sheet and select a blank cell, press Ctrl + V to paste it. See screenshot:
4. Then select the list of values you want to find max or min value, click Kutools > Select > Select Cells with Max & Min Value. See screenshot:
5. In the popped out dialog, check Minimum value or Maximum value as you need, and then check Cell under Base section. See screenshot:
6. Click Ok, and the unique max value or min value is highlighted.
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