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How to Insert Specific Number of Columns at Fixed Intervals in Excel?

Author: Zhoumandy Last Modified: 2022-10-13

In your daily usage of Excel, you may run into a situation that you need to add more columns between the existing columns. You can, of course, insert the columns one by one using the Insert function. But when you are facing a large data and need to insert three columns after every second or nth column, the Insert function is apparently not effective. So how can you quickly finish the task? In this tutorial, we will talk about two easy methods to solve the problem.

Insert specific number of blank columns into data range at fixed intervals with VBA code

Insert specific number of blank columns into data range at fixed intervals with an amazing feature

Insert specific number of blank columns into data range at fixed intervals with VBA code

We can use the below VBA code to insert a specific number of blank columns after every nth column. Please do as follows.

1. Press the Alt + F11 keys in Excel, and it opens the Microsoft Visual Basic for Applications window.

2. Click Insert > Module and paste the following macro in the Module Window.

VBA code: Insert specific number of columns into data at fixed intervals

Sub InsertColumnsAtIntervals()
'Updateby Extendoffice
Dim Rng As Range
Dim xInterval As Integer
Dim xColumns As Integer
Dim xColumnsCount As Integer
Dim xNum1 As Integer
Dim xNum2 As Integer
Dim WorkRng As Range
Dim xWs As Worksheet
xTitleId = "KutoolsforExcel"
Set WorkRng = Application.Selection
Set WorkRng = Application.InputBox("Range", xTitleId, WorkRng.Address, Type:=8)
xColumnsCount = WorkRng.Columns.Count
xInterval = Application.InputBox("Enter column interval. ", xTitleId, 1, Type:=1)
xColumns = Application.InputBox("How many columns to insert at each interval? ", xTitleId, 1, Type:=1)
xNum1 = WorkRng.Column + xInterval
xNum2 = xColumns + xInterval
Set xWs = WorkRng.Parent
For i = 1 To Int(xColumnsCount / xInterval)
    xWs.Range(xWs.Cells(WorkRng.Row, xNum1), xWs.Cells(WorkRng.Row, xNum1 + xColumns - 1)).Select
    xNum1 = xNum1 + xNum2
End Sub

3. Press the F5 key to run this code. A prompt box pops out to remind you to select the data range in which you want to insert blank columns.
doc insert-columns-at-intervals 1

4. Click the OK button. Another prompt box pops out, please enter the number of columns intervals in the Enter column interval box.
doc insert-columns-at-intervals 2

5. Continue to click the OK button. The third prompt box pops out, please specify the number of columns you want to insert at each interval in the box.
doc insert-columns-at-intervals 3

6. Click the OK button to get the result.
doc insert-columns-at-intervals 4

Insert specific number of blank columns into data range at fixed intervals with an amazing feature

If you don’t want to use the VBA code method, the Insert Blank Rows & Columns feature of Kutools for Excel is the perfect solution for you. With this feature, you can insert the specific number of columns into data range at fixed intervals in just a few clicks.

Before applying Kutools for Excel, please download and install it firstly.

1. Select the existing data range first. Then click Kutools > Insert > Insert Blank Rows & Columns.
doc insert-columns-at-intervals 5

2. The Insert Blank Rows & Columns dialog box pops up. You can see the data range you selected in step 1 displayed in the Range box. Choose the Blank columns option in the Insert type section. And specify the numbers of columns intervals and columns you want to insert at each interval. Here I input 1 and 3 separately.
doc insert-columns-at-intervals 6

3. Click the OK button to finish the setting and get the result.
doc insert-columns-at-intervals 7

Note: If you want to have a free trial ( 30-day) of this utility, please click to download it, and then go to apply the operation according above steps.

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