You can select a work item in a public inbox and move it to your inbox for processing later on. While the work item is in the public inbox, anyone can view it or work on it. When the work item is in your inbox, only you can view it or work on it.
To move a work item to your Inbox
TIP You can also move a work item to your inbox from the Task Step page. Work items presented as a form might contain a Move to Inbox button.
To return a work item to a public inbox