Recover Deleted Items in Outlook

1. Click Start, click Run, type regedit, and then click OK.
2. Locate and then click the following registry subkey:
   HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Exchange\Client\Options
3. On the Edit menu, point to New, and then click DWORD Value.
4. Type DumpsterAlwaysOn, and then press ENTER.
5. Double-click DumpsterAlwaysOn.
6. Type 1 in the Value data area, click Decimal in the Base area, and then click OK.
7. Close Registry Editor.
8. Restart Outlook.