eMail Address Extractor is highly intuitive, just select your output file format, then Drop data files or entire directories onto the hand drop-zone to quickly produce a non-duplicate list of all valid email addresses.

Easily extract addresses from websites, your entire Apple Mail database, selected Mail.app folders, iWork projects (Pages, Keynote, Numbers), Microsoft Office (docx, xlsx). You can even scans within zip archives! so there's no need to extract your archived databases and documents.

https://www.virustotal.com/gui/file/5e6d36999e732cfc2d3a6a6d769a272c47fd0ba2edb652cd2d547405b62f4d81?nocache=1