For a more automated, cleaner approach, you can use specialized tools that connect to Gmail to extract email addresses directly to CSV, removing duplicates automatically.
Are you looking to export , or just specific people you've emailed recently? Do you need this data in Excel (CSV) or for a CRM system ? how to download email addresses from gmail
Choose Google CSV (best for importing into another Google account) or Outlook CSV (if you're switching to Outlook). Download: Click Export to save the file to your computer. For a more automated, cleaner approach, you can