A free program for Android, by Apps Useful.
This free application allows you to backup your contacts. You can export them to Excel and save them in the cloud, where you can access them from any device.
This is a very simple and intuitive application.
The backup process will create a new folder in your device's storage.
The exported contacts will be saved as a.xlsx file.
You can send it to any device that can open and view.xlsx files, or save it to the cloud, where you can access them from any device.
You can use this application to backup contacts, and it supports most major phone formats.
