Module 7
15 min
Excel Consolidation & Data Merging
Master data consolidation techniques to merge multiple datasets efficiently
Excel Consolidation & Data Merging
When you work with multiple spreadsheets or datasets, manually copying and pasting data is time-consuming and error-prone. Excel's consolidation features help you merge data from multiple sources automatically.
What is Data Consolidation?
Consolidation combines data from multiple ranges or sheets into one summary.
Common scenarios:
- Merging sales data from different regions
- Combining monthly reports into yearly summaries
- Aggregating data from multiple teams
Method 1: Consolidate Tool
Excel has a built-in Consolidate tool perfect for summarizing data.
Steps:
- Click on your summary sheet
- Go to Data tab → Consolidate
- Choose function (SUM, AVERAGE, COUNT)
- Click Reference → Select first range → Add
- Repeat for each range
- Check "Top row" and "Left column" if you have headers
- Click OK
Method 2: Power Query (Modern Approach)
Power Query is the most powerful consolidation tool.
Steps:
- Select data → Data → From Table/Range
- In Power Query: Home → Append Queries
- Select "Three or more tables"
- Add all your tables → OK
- Click Close & Load
Advantages:
- Auto-refreshes when source changes
- Handles different column orders
- Can merge hundreds of files
- Remembers steps for reuse
Method 3: VLOOKUP for Matching Data
When merging data from different sources:
=VLOOKUP(A2, Sheet2!A:B, 2, FALSE)
Or use modern XLOOKUP:
=XLOOKUP(A2, Sheet2!A:A, Sheet2!B:B)
Summary
- Use Consolidate Tool for quick one-time summaries
- Use Power Query for recurring consolidations
- Use VLOOKUP/XLOOKUP for matching and merging data
Master these and handle any data consolidation task! 💪