There is one more interesting feature of Power Query where it lets you add an index column that serves as a row counter to your data.

Power Query Helps To Create Index Column

Let’s go through the steps in detail with an example. Our sample data consists of Months and revenue data as shown in the picture below.  Here, we want a column that counts from 1 to 12 next to our data to serve as our row numbers.

Step 1: Add Index Column

After you load your data into the Power Query Editor, follow the below process to add an Index column to your data.

Add Column > Index Column > From 1

 

Note: You can also select the custom option instead of ‘From 1’ and set the index range of your choice.

Step 2: Select the Index Column

As you know we always prefer the index at the beginning of the data. But after adding the Index column, it is placed at the end in Power Query as shown in below picture. To move it to the beginning, we have to select the Index column first.

Step 3: Move Index Column to the Beginning

After selecting the Index column, move it to the beginning by performing the below step.

Transform > Move > To Beginning

Step 4: Close and Apply

After you move the Index column to the beginning of the data table in Power Query Editor as shown below, close and apply the changes for further transformations.

To get in-depth knowledge of Power Query in Excel and Power BI, then check out our latest Power Query Course with Certification. In this course, you will learn data cleaning and data transformation techniques that help to organize the data in excel and Power BI.

You can gain more knowledge :

• Learn how to Remove Rows With Errors
• Steps to Create Pivot Columns in Excel 
• Acquire Knowledge to Fill Down Values in Power Query
• Read how to Remove Duplicates Using Power Query