How to populate combo box with unique values only in Excel?

When you create a combo box with a list of data which include some duplicate values, the duplicate values will not be exclude automatically in the combo box. In this case, how could you display only unique items in your combo box? May be this tutorial can do you a favor.

Populate combo box with unique values only by using VBA code

Office Tab Enable Tabbed Editing and Browsing in Office, and Make Your Work Much Easier...
Kutools for Excel Solves Most of Your Problems, and Increases Your Productivity by 80%
  • Reuse Anything: Add the most used or complex formulas, charts and anything else to your favorites, and quickly reuse them in the future.
  • More than 20 text features: Extract Number from Text String; Extract or Remove Part of Texts; Convert Numbers and Currencies to English Words.
  • Merge Tools: Multiple Workbooks and Sheets into One; Merge Multiple Cells/Rows/Columns Without Losing Data; Merge Duplicate Rows and Sum.
  • Split Tools: Split Data into Multiple Sheets Based on Value; One Workbook to Multiple Excel, PDF or CSV Files; One Column to Multiple Columns.
  • Paste Skipping Hidden/Filtered Rows; Count And Sum by Background Color; Send Personalized Emails to Multiple Recipients in Bulk.
  • Super Filter: Create advanced filter schemes and apply to any sheets; Sort by week, day, frequency and more; Filter by bold, formulas, comment...
  • More than 300 powerful features; Works with Office 2007-2019 and 365; Supports all languages; Easy deploying in your enterprise or organization.

arrow blue right bubble Populate combo box with unique values only by using VBA code

The following VBA code may help you to add the unique values when creating a combo box, please do as this:

1. Insert a combo box first, please click Developer > Insert > Combo Box (ActiveX Control), and then drag the mouse to draw a combo box, see screenshot:

doc combobox unique values 1

2. Then right click the combo box, and choose View Code from the context menu, see screenshot:

doc combobox unique values 2

3. And the Microsoft Visual Basic for Applications window is popped out, please copy and paste the following code to replace the original code.

VBA code: combo box with unique values:

Public Sub Populate_combobox_with_Unique_values()
'Updateby Extendoffice 20160913
    Dim vStr, eStr
    Dim dObj As Object
    Dim xRg As Range
    On Error Resume Next
    Set dObj = CreateObject("Scripting.Dictionary")
    Set xRg = Application.InputBox("Range select:", "Kutools for Excel", _
                                    ActiveWindow.RangeSelection.AddressLocal, , , , , 8)
    vStr = xRg.Value
    Application.ScreenUpdating = False
    With dObj
        .comparemode = 1
        For Each eStr In vStr
            If Not .exists(eStr) And eStr <> "" Then .Add eStr, Nothing
        Next
        If .Count Then
            ActiveSheet.ComboBox1.List = WorksheetFunction.Transpose(.keys)
        End If
    End With
    Application.ScreenUpdating = True
End Sub

Note: In the above code, the ComboBox1 is the name of your created combo box, you can change it as you need.

4. Then press F5 key to run this code, and in the prompt box, please select the data source list you want to add into the combo box, see screenshot:

doc combobox unique values 3

5. And then click OK button, only the unique values are displayed in the combo box, see screenshot:

doc combobox unique values 4

Tip: If there is no Developer tab in the ribbon, this article How to show/display developer tab in Excel 2007/2010/2013 Ribbon? may do a favor for you to display Developer tab.


The Best Office Productivity Tools

Kutools for Excel Solves Most of Your Problems, and Increases Your Productivity by 80%

  • Reuse: Quickly insert complex formulas, charts and anything that you have used before; Encrypt Cells with password; Create Mailing List and send emails...
  • Super Formula Bar (easily edit multiple lines of text and formula); Reading Layout (easily read and edit large numbers of cells); Paste to Filtered Range...
  • Merge Cells/Rows/Columns without losing Data; Split Cells Content; Combine Duplicate Rows/Columns... Prevent Duplicate Cells; Compare Ranges...
  • Select Duplicate or Unique Rows; Select Blank Rows (all cells are empty); Super Find and Fuzzy Find in Many Workbooks; Random Select...
  • Exact Copy Multiple Cells without changing formula reference; Auto Create References to Multiple Sheets; Insert Bullets, Check Boxes and more...
  • Extract Text, Add Text, Remove by Position, Remove Space; Create and Print Paging Subtotals; Convert Between Cells Content and Comments...
  • Super Filter (save and apply filter schemes to other sheets); Advanced Sort by month/week/day, frequency and more; Special Filter by bold, italic...
  • Combine Workbooks and WorkSheets; Merge Tables based on key columns; Split Data into Multiple Sheets; Batch Convert xls, xlsx and PDF...
  • More than 300 powerful features. Supports Office/Excel 2007-2019 and 365. Supports all languages. Easy deploying in your enterprise or organization. Full features 30-day free trial. 60-day money back guarantee.
kte tab 201905

Office Tab Brings Tabbed interface to Office, and Make Your Work Much Easier

  • Enable tabbed editing and reading in Word, Excel, PowerPoint, Publisher, Access, Visio and Project.
  • Open and create multiple documents in new tabs of the same window, rather than in new windows.
  • Increases your productivity by 50%, and reduces hundreds of mouse clicks for you every day!
officetab bottom
Say something here...
symbols left.
You are guest ( Sign Up? )
or post as a guest, but your post won't be published automatically.
Loading comment... The comment will be refreshed after 00:00.

Be the first to comment.