VBA Remove Duplicates in ComboBox

VBA to Remove Duplicates in ComboBox Excel Macros Examples Codes: to delete duplicate records from a Combo Box in MS Excel 2003, 2007, 2010, 2013. We will also see the practical example for deleting the duplicates from a Combo Box.

VBA code to Remove Duplicates in ComboBox

Here is the Example VBA syntax and Example VBA Macro code to Remove Duplicates in a Combo Box in Excel. This will help you to know how to delete duplicate records from a ComboBox using VBA.

VBA Remove Duplicates in ComboBox: Procedure

Following is the VBA Syntax and sample VBA macro command to delete duplicate in ComboBox1 using VBA. In this method we will first get the data into Excel worksheet and remove the duplicate using RemoveDuplicates method and then reload into the ComboBox1.

VBA Remove Duplicates in ComboBox: Examples

The following Excel VBA macro code is to delete duplicate in a Combo Box. This VBA macro will add a temporary worksheet. And enter the items from ComboBox to temporary worksheet. Then remove the duplicate records in the temporary worksheet. And then reload the unique items into comboBox. Finally it deletes the temporary worksheet.

Sub sbRemove_Duplicates_From_ComboBox()

Dim iCntr As Long
Dim recCountBefore As Long

Dim lRow As Long

Sheets("Test").ComboBox1.List = Array(1, 2, 3, 4, 5, 3, 2, 6, 7, 5, 3, 3)

recCountBefore = Sheet7.ComboBox1.ListCount

Set tmpSht = ThisWorkbook.Worksheets.Add

For iCntr = 0 To recCountBefore - 1
    tmpSht.Cells(iCntr + 1, 1) = Sheet7.ComboBox1.List(iCntr)
Next

tmpSht.Columns(1).RemoveDuplicates Columns:=Array(1)

lRow = tmpSht.Range("A60000").End(xlUp).Row

Sheets("Test").ComboBox1.Clear
For iCntr = 1 To lRow
    Sheets("Test").ComboBox1.AddItem tmpSht.Cells(iCntr, 1)
Next

Application.DisplayAlerts = False
    tmpSht.Delete
Application.DisplayAlerts = True

MsgBox "Actual Items in the ComboBox: " & recCountBefore & vbCr _
& "Unique Items in the ComboBox: " & lRow & vbCr _
& "Duplicate Items Found in ComboBox: " & recCountBefore - lRow, vbInformation

End Sub

Instructions to run the VBA Macro code to delete duplicates in ComboBox

Please follow the below steps to execute the VBA code to delete duplicates in ComboBox.

• Step 1: Open any Excel workbook
• Step 2: Press Alt+F11 – This will open the VBA Editor
• Step 3: Insert a code module from then insert menu
• Step 4: Copy the above code and paste in the code module which have inserted in the above step
• Step 5: Inset a new worksheet and place combobox (rename as ComboBox1), rename the sheet as “test”
• Now press F8 to debug and test the code

Now you can observe the code initially adding 12 items in the comboBox and then removing the duplicate items and finally you will find the 7 unique items in the comboBox. For better understanding, you can create two combo boxes and populate the unique items into combobox2. No you can clearly see the difference, all items in the combobox1 and unique items in combobox2.

Explained VBA Code to Delete Duplicates from an array

Starting Macro program and sub procedure to write VBA code to delete duplicate records in ComboBox.

Sub sbRemove_Duplicates_From_ComboBox()
‘Declaring variables
‘iCntr to loop through the comboBox items.
Dim iCntr As Long
‘Variable for capturing the number of items in the ComboBox1 initially.
Dim recCountBefore As Long

‘lRow to store the last Row in the worksheet after removing the duplicates.
Dim lRow As Long

‘adding some items in the combobox.
Sheets(“Test”).ComboBox1.List = Array(1, 2, 3, 4, 5, 3, 2, 6, 7, 5, 3, 3)

‘Getting the number of items beore removing the items from comboBox.
recCountBefore = Sheet7.ComboBox1.ListCount

‘Adding a temporary worksheet.
Set tmpSht = ThisWorkbook.Worksheets.Add

‘Getting the values from combobox to temporary worksheet.
For iCntr = 0 To recCountBefore – 1
tmpSht.Cells(iCntr + 1, 1) = Sheet7.ComboBox1.List(iCntr)
Next

‘Removing the duplicates in the worksheets.
tmpSht.Columns(1).RemoveDuplicates Columns:=Array(1)

‘finding last row after deleting the duplicates.
lRow = tmpSht.Range(“A60000”).End(xlUp).Row

‘Clearing the comboBox and reloading the unique items from temporary sheet to combobox.
Sheets(“Test”).ComboBox1.Clear
For iCntr = 1 To lRow
Sheets(“Test”).ComboBox1.AddItem tmpSht.Cells(iCntr, 1)
Next

‘Stopping alerts and delting worksheet
Application.DisplayAlerts = False
tmpSht.Delete
Application.DisplayAlerts = True

‘displaying the message.
MsgBox “Actual Items in the ComboBox: ” & recCountBefore & vbCr _
& “Unique Items in the ComboBox: ” & lRow & vbCr _
& “Duplicate Items Found in ComboBox: ” & recCountBefore – lRow, vbInformation

End Sub
End statement to end the VBA code to delete duplicate records in ComboBox.