The number of nail groups has reached the upper limit. According to the nailing official website, the upper limit of the number of nailing groups varies according to the organizations to which the groups belong. There are at most 500 non-certified enterprises, so there are at most 500 group chats; The maximum number of group chats of certified enterprises is 1000 (the whole group will be automatically upgraded to 3000). If the general group/scene group does not belong to any organization, the upper limit is 500 people. DingTalk is an enterprise-level intelligent mobile office platform built by Alibaba Group, and it is also a collaborative office and application development platform organized by enterprises in the digital economy era.