2vcard software package provides perl script to convert an addressbook to VCARD file format, you can install in your Debian 9 (Stretch) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install 2vcard
2vcard is installed in your system.
Make ensure the 2vcard package were installed using the commands given below,
$ sudo dpkg-query -l | grep 2vcard *
You will get with 2vcard package name, version, architecture and description in a table
| Distro | Debian 9 st |
| Section | Utilities |
| Package | 2vcard |
| Version | 0.6-1 |
| Description | perl script to convert an addressbook to VCARD file format |
| Sub Section | Utils |