Power Query provides several tools for cleaning columns.
Remove Columns
Select a column:
Home → Remove Columns
Use this when unnecessary fields are imported.
Rename Columns
Right-click the column → Rename
Example:
Cust_Name → Customer Name
Change Data Type
Common data types:
- Text
- Whole Number
- Decimal Number
- Date
- Date/Time
- Currency
Correct data types are important for calculations and analysis.
Remove Duplicates
Select one or more columns:
Home → Remove Rows → Remove Duplicates
Replace Values
Example:
Sirsa → Sirsa
or:
Fatebad → Fatehabad
Use:
Transform → Replace Values