1, login to the communication big data trip card micro letter small program.

2, click on the three dots in the upper right corner of the interface to bring up the export mode interface.

3, choose to export as a file can be. The official name of the trip card is communication big data trip card, is guided by the Ministry of Industry and Information Technology, China Academy of Information and Communications Technology, China Telecom, China Mobile, China Unicom *** with the launch of the trip query service, can provide users with free of charge to the user's past 14 days to visit the country and region and the domestic city proof.