Data cleaning in Excel, Sheets, and Word involves standardizing formats, removing duplicates and extra spaces, correcting spelling, filling missing values, and transforming data types to improve accuracy and consistency. Tools like the TRIM function, the Find & Replace feature, Text to Columns, Remove Duplicates, and Conditional Formatting are essential for these tasks. Power Query can automate much of the cleaning process in Excel and Google Sheets. For Word documents, cleaning focuses on consistency in text, fonts, and spacing using features like Find & Replace and manual text