A free app for Android, by STCOM.Dev.
The Save-Export Contacts App is a handy utility for Android users to export contacts in.csv format via email, Bluetooth, or any other application that allows you to send a file through the Internet.
The contacts can be saved either to your phone or your SD card, and you can choose the format of the saved files:.csv or.xcfm.
In order to save contacts to your SD card, you need to set the SD card as the output folder in the application settings.
The application has been designed so that it does not transmit any data to the developer or to third parties.