: If you need to include names or other fields, use commas (CSV-style) or tabs (Tab-delimited) to separate the data on each line. 2. Why Use a TXT File?

Or online duplicates remover (for small files only, never upload sensitive lists to unknown sites).

Unlike CSV files, a standard email list txt file does not have a header row. Do not put "Email Address" at the top of the file. Do not put "Total count: 500" at the bottom. The file must contain only email addresses.

Why use a TXT file

john@a.com jane@b.com sales@c.com