Remove duplicate values

1. Select the range of cells that has duplicate values you want to remove. Tip: Remove any outlines or subtotals from your data before trying to remove duplicates.
2. Click Data > Remove Duplicates, and then Under Columns, check or uncheck the columns where you want to remove the duplicates. ...
3. Click OK.

What is the shortcut to remove duplicates in Excel?

Find And Remove Duplicate Values Using A Formula

1. Go to the Data tab and select the Filter command.
2. Use the keyboard shortcut Ctrl + Shift + L.

How do I remove duplicates in Excel without removing original?

With a formula and the Filter function, you can quickly remove duplicates but keep rest.

1. Select a blank cell next to the data range, D2 for instance, type formula =A3=A2, drag auto fill handle down to the cells you need. ...
2. Select all data range including the formula cell, and click Data > Filter to enable Filter function.

How do I remove duplicates from a list?

Approach:

1. Get the ArrayList with duplicate values.
2. Create a LinkedHashSet from this ArrayList. This will remove the duplicates.
3. Convert this LinkedHashSet back to Arraylist.
4. The second ArrayList contains the elements with duplicates removed.

What is the formula for finding duplicates in Excel?

How to identify duplicates in Excel

1. Input the above formula in B2, then select B2 and drag the fill handle to copy the formula down to other cells: ...
2. =IF(COUNTIF($A$2:$A$8, $A2)>1, "Duplicate", "Unique") ...
3. The formula will return "Duplicates" for duplicate records, and a blank cell for unique records:

3 EASY Ways to Find and Remove Duplicates in Excel

37 related questions found

How do I find duplicates in a list?

Check for duplicates in a list using Set & by comparing sizes

1. Add the contents of list in a set. As set contains only unique elements, so no duplicates will be added to the set.
2. Compare the size of set and list. If size of list & set is equal then it means no duplicates in list.

How do I delete duplicates in Excel but keep one?

Tip: You also can remove all duplicates but keep one with Select Duplicate & Unique Cells like this: Select all the unique values including the first duplicates, and then copy them by pressing Ctrl + C and paste to another location by Ctrl + V.

How do I remove duplicates in two columns in Excel?

Remove Duplicates from Multiple Columns in Excel

1. Select the data.
2. Go to Data –> Data Tools –> Remove Duplicates.
3. In the Remove Duplicates dialog box: If your data has headers, make sure the 'My data has headers' option is checked. Select all the columns except the Date column.

How do I remove duplicates in Excel and keep the latest date?

1 Answer

1. Set up a helper column and fill it with numerical values. ...
2. Make sure your date column is formatted as date and Excel recognize them as date. ...
3. Choose Custom sort (depends on your Excel version). ...
4. Use Remove duplicates and select only your Number column which holds your criteria to check for duplicates.

What is Alt M?

Alt+M is a keyboard shortcut most often used to open the Formulas tab in the Ribbon.

How do I get rid of duplicate rows in Excel and keep the highest value?

(1) Select Fruit column (which you will remove duplicates rows by), and then click the Primary Key button; (2) Select the Amount column (Which you will keep highest values in), and then click Calculate > Max. (3) Specify combination rules for other columns as you need.

How do you remove old duplicates in Excel?

With the Data tab of the ribbon still visible, click the Remove Duplicates tool in the Data Tools group. Excel displays the Remove Duplicates dialog box. Make sure that the only field selected in the dialog box is the one that contains the facility.

How do I remove duplicates in sheets?

Google Sheets: Remove duplicates from a spreadsheet

1. Select a column from where you want to remove the duplicates.
2. Click Data > Remove duplicates.
3. You will now see a pop-up. Tick the box next to Data has header now > click Remove duplicates > click Done.
4. You can repeat the steps for other columns as well.

What is an Xlookup in Excel?

The XLOOKUP function searches a range or an array, and then returns the item corresponding to the first match it finds. If no match exists, then XLOOKUP can return the closest (approximate) match.

Can sets have duplicates?

A Set is a Collection that cannot contain duplicate elements. ... Two Set instances are equal if they contain the same elements. The Java platform contains three general-purpose Set implementations: HashSet , TreeSet , and LinkedHashSet .

How do you find duplicates in a data frame?

To take a look at the duplication in the DataFrame as a whole, just call the duplicated() method on the DataFrame. It outputs True if an entire row is identical to a previous row.

Can lists have duplicates Java?

List allows duplicates while Set doesn't allow duplicate elements . All the elements of a Set should be unique if you try to insert the duplicate element in Set it would replace the existing value. List permits any number of null values in its collection while Set permits only one null value in its collection.

How do you highlight the first duplicate in excel?

How to Highlight the First Occurrence of Each Value

1. Select the range with the duplicate values (i.e. in our case the range A1:B16)
2. Click on 'Conditional Formatting'.
3. Click on 'New Rule'.
4. Click on 'Use a formula to determine which cells to format'.
5. Type '=COUNTIF($A$1:A1,A1)=1' in the formula bar.

How do I find duplicates in Excel without first occurrences?

The key point is to select the whole rows, and then create a rule with one of the following formulas:

1. To highlight duplicate rows excluding 1^st occurrences: =COUNTIF($A$2:$A2, $A2)>1.
2. To highlight duplicate rows including 1^st occurrences: =COUNTIF($A$2:$A$15, $A2)>1.

How do you highlight the last duplicate row in Excel?

If you select cells and click Home > Conditional Formatting > Highlight Cells Rules > Duplicate Values in Excel, all duplicate cells will be highlighted.

How do you remove maximum value from selected cells in Excel?

Remove the maximum value of the selected cells so it does not display on the status bar. Right-click the status bar. Click Maximum to remove the checkmark for that option.

How do I remove duplicates from one column in Python?

To remove duplicates of only one or a subset of columns, specify subset as the individual column or list of columns that should be unique. To do this conditional on a different column's value, you can sort_values(colname) and specify keep equals either first or last .

What is Ctrl G?

Alternatively referred to as Control G and C-g, Ctrl+G is a shortcut key most often used to go to a line or page.

What is ESC in Excel?

ESC Cancel an entry in the cell or Formula Bar.