Changing user roles 

1. Login to Zoho TeamInbox. 
2. From the left pane, mouse over the team that is holding your inbox, click the More icon and click Manage team. You can also reach here by clicking Settings under User profile. 
   
3. Click on your inbox from the list under the team overview.
4. Click the Members tab. You can see the list of members in your inbox. 
   
5. Click on the member that you want to change the user role.
6. Click on the role of the user and select the desired role from the drop-down menu. 

Note: There should be at least one admin for an inbox.

Adding users to the inbox 

1. Login to Zoho TeamInbox.
2. From the left pane, mouse over the team that is holding your inbox to which you want to add users to, click the More icon and click Manage team. You can also reach here by clicking Settings under User profile. 
   
3. Click on your inbox from the list under the team overview.
4. Select the Members tab and click Add members. 
5. Enter the email address of the users you want to invite and click Invite. These users will be sent an invitation email and will be added to the inbox and to the team once they've accepted the invite.
6. If you want to add members who are already added to the team or organization, you can just select them from the list of users. 
7. As you select the users you can set their role in the inbox from the drop-down menu next to each user. The role you set here will be applicable only for this inbox. 

The users will thus be added to your inbox. If you want to remove any user from the inbox, select the user and click Remove user.