How to Automate Data Cleaning in Excel | Power Query Tutorial
How to Automate Data Cleaning in Excel | Power Query Tutorial Stop wasting hours manually cleaning messy data in Excel! In this tutorial, we dive deep into one of the most valuable automation skills inside Excel: Power Query. Whether you deal with duplicate files, irregular spaces, invisible characters, or blank/null values, you can build a fully automated workflow that handles everything with a single click.
00:00 - Introduction to Excel Data Automation
00:32 - The Problem: Messy Excel Raw Data
01:21 - Step 1: Converting Raw Data into an Excel Table
01:59 - Step 2: Importing Data into Power Query
03:38 - Step 3: Fixing Text (Trim, Clean & Proper Case)
05:26 - Step 4: Handling Null & Blank Values
07:30 - Step 5: Changing & Correcting Data Types
09:01 - Step 6: Creating a Conditional Column
10:24 - Step 7: Adding a Custom Column for Calculations
11:10 - Step 8: Splitting Columns by Delimiter (First & Last Name)
12:15 - Step 9: Using Group By to Create Summary Reports
13:17 - Step 10: Close & Load back to Excel
13:34 - The Magic Demo: One-Click Automation with "Refresh All"
16:05 - Outro & What to Watch Next
If your daily job involves data preparation, this Power Query guide will make your reporting faster, reliable, and completely hands-free. Just paste your new raw data, hit "Refresh All," and watch Excel do the work for you in seconds!
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