Application access is a new concept introduced in JIRA 7. Since you now can have multiple applications in JIRA, for example, JIRA Software and JIRA Service Desk, and each application can have its own license, you as the administrator need to have a way to specify the users who will have access to each application. Prior to JIRA 7, this was controlled via the global permission JIRA Users, which is not removed. To manage application access:
Browse to the JIRA administration console.
Select the Applications tab and then the Application access option.
Select the group to grant access to the application. If you check the Default option of the group, new users will be added to the group when created:
