GroupsPro 5.1 Multilingual macOS

Features:
* Create and modify groups of address book contacts.
* Assign contacts to groups (single and fast assigning) .
* Create and modify mailing lists for mass emails.
* Search for names, phone numbers, email addresses, postal addresses, departments and notes within all contacts.
* Create and modify contacts.
* Print single or multiple contacts.
* Export contacts to Excel or CSV file.
* Compatible also with macOS 10.12 (Sierra).
* And more
Mailing lists:
* Usable within GroupsPro for sending emails to several recipients.
* Add text and photos.
* Cc and Bcc recipients partially supported.
* Attachments.
* PDF as images or attachments.
* Message as HTML possible.
* Send prepared emails manually with the Mail app.
Compatibility: macOS 10.12 or later 64-bit
Mac App Store:

https://geo.itunes.apple.com/app/id876504539