File format is txt, so you can view it on any device.
Settings tab contains:
► File name;
► Ability to append the current date to the file name;
► The path to the file selected by the file manager, through which you can create a new folder;
► Choice of writing style of contacts (simple style contains only the name and phone numbers);
► Selection of contact fields that you want to save;
► Settings merge contacts - let you combine duplicate contacts. Merge contacts that have the same names and / or phone numbers.
To save contacts wait for the download from the phone book and press the green button, which is located in the bottom corner. To view the contents of the file - after the creation of the file is the strip with the "Open" button displayed at the bottom of screen. You can send a file by email. To do this, go to the menu and select the action.
For android 6.0 users: during the first run you have to confirm permission to use the phone book, and memory card. The system message with a proposal to allow access. Without this, the application can not load the contacts.
Personal data is stored only on the user's device and it will not be transferred to third parties.