Q. [Expo ID Registration] Is there a specific format for the password? A. The password must be between 10 and 20 characters, using at least three of the following: upper-case letters, lower-case letters, numbers, and symbols. Related articles [Expo ID Registration] What characters should I use for my Expo ID? [Expo ID Login] Where can I log in to my Expo ID? [Expo ID Login] I don't know my password. [Expo ID Registration] I tried to register a new Expo ID, but an error message “ID not entered correctly” was displayed and I could not register the ID. [Expo ID Registration] It says that the Expo ID I want to use is already in use.