Minimize Outlook to the System Tray
Outlook
2010
The default settings minimize Outlook to the Taskbar, but you can make settings to minimize it to the Tray.
To enable this feature, follow these steps:
1. Right-click on the Outlook icon in the System Tray:

2. Select Hide When Minimized from the menu.
Another way to make these settings:
1. Run the Regedit (Registry Editor).
2. Navigate to the HKEY_CURRENT_USER\Software\Microsoft\Office\14.0\Outlook\Preference subkey.
3. Select in the right pane the MinToTray parameter:

4. Press Enter to display the Edit DWORD (32-bit) Value dialog box:

5. In the Value Data text box, enter the number:
- 0 - minimize Outlook to the Taskbar;
- 1 - minimize Outlook to the Tray.
6. Click the OK button to close the Edit DWORD (32-bit) Value dialog box.
7. Choose File -> Exit to close Registry Editor.