How to Import and Clean Data in Spreadsheets
Importing and cleaning data in spreadsheets is the foundation of any reliable analysis, ensuring accuracy and consistency before insights are drawn. This comprehensive guide walks you through importing data from various sources—such as CSV files, databases, and APIs—while tackling common formatting issues, missing values, and duplicates. You’ll explore essential cleaning techniques like text-to-columns, conditional formatting, data validation, and formula-based corrections, along with time-saving automation tools. Whether you’re working in Excel, Google Sheets, or other spreadsheet software, you’ll learn how to transform messy, unstructured information into a clean, organized dataset ready for analysis. Perfect for analysts, business professionals, and anyone aiming to make confident, data-driven decisions.
