Assign users to groups, project roles, and applications
When a user is created in Jira, they'll be automatically added to the default user group for your installation (jira-users, jira-software-users, jira-servicedesk-users). As an administrator, you can choose to create a more granular security model by creating multiple user groups that grant different levels of access within the Jira instance (see more about user groups in the managing groups section).
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This section will give you instructions on how to assign permissions by adding users to groups and assigning a user to a project role.
You must have the Jira administrator or Jira system administrator global permissions to manage users in Jira applications.
Add a user to a group
The best way to give a user access to specific Jira functions is to add a user to a predefined user group.
Assign a project role
One way to give users access to a project role is to grant access at the user level. If you have fewer than 50 Jira users, you can manage user permissions by manually assigning users to a project role. If you have more than 50 users, we recommend adding users to a group that can then be assigned to a project role, as explained above.
Assign a user to an application
You may need to give an existing user access to an application, or remove access to an application. Application access can be assigned and removed in the User browser. When you assign a user to an application in this manner, they will be added to that applications default group. When you remove application access, the user is removed from all the groups that could grant them access to that application.