Delete method:
1, single chat, ordinary group chat files will not be in the nail tray;
2. Mobile Phone Nail-Work-Nail Board-Find the file to delete-Right click ...-Delete;
3. Computer nailing (not backstage)-Left nailing tray icon-Find the file to delete-Select Delete;
4. The main administrator of the public * * * area file, the deputy administrator with the authority of nailing board, and the administrator set in the public * * * area can delete the files in the public * * * area;
5. The group file is associated with the chat group. In the group setting, the group files can be synchronized to the nail tray, and the file sender and the group owner can delete the files in this area. After deletion, the files in the chat file will be deleted synchronously.