最佳答案：DingTalk is a free communication and collaboration multi-terminal platform specially created by Alib
DingTalk is a free communication and collaboration multi-terminal platform specially created by Alibaba Group for Chinese companies.
It provides PC version, Web version, Mac version and mobile version, and supports file transfer between mobile phones and computers.
DingTalk was born out of Chinese companies and helps Chinese companies improve their communication and collaboration efficiency in an all-round way through systematic solutions (micro-applications).
