: Open the email, highlight the text, and paste it into a text editor (like Notepad or TextEdit), then save as .txt .

: Click "Deselect all" and then scroll down to check the box next to Mail .

If you only need to save a few specific emails as text files:

: Tools like Save Bulk Gmail Attachments on the Chrome Web Store can help automate the process of saving specific parts of your emails. Generating a Piece (Content Creation)

: Choose your file type (e.g., .zip) and size, then click "Create export." Google will email you a download link once the file is ready. Individual "Save as Text" Options