It is possible to share the Briefcase, with another user, using the Zimbra Desktop client. The following article contains the steps necessary to share the briefcase.
1. Open your Zimbra Desktop Client by selecting you desktop shortcut.
2. From with the Zimbra Desktop, select the Briefcase Tab.
3. All briefcase folders will be displayed in the left hand panel. Right-click the folder you wish to share and choose Share Folder.
4. The Share Properties window will appear. Adjust the settings appropriate to your needs. The below example shows the Briefcase is being shared with an Internal User with a Security Role of Viewer. The standard acceptance message will be sent to the user. Click OK to share the Briefcase.
Note: You can edit or revoke set permissions at any time. Simply right-click the Briefcase Folder and choose Edit Properties.