How to retrieve permanently deleted mail in outlook

Worried?? Just because you accidentally deleted an important mail from your outlook inbox? Well here is a way you can get it back
Don't worry if you have deleted any mails permanently from your outlook inbox. Here is a way you can retrieve your permanently deleted mails.
1. Go to Run by clicking on Start and type in regedit.

2. Now go to HKEY_LOCAL_MACHINE\Software\Microsoft\exchange\client\Options


3. Right click on Options, choose New and click on D Word Value.

4. Now right click the new Dword Value and rename it to DumpsterAlwaysOn.
Note: This is case sensitive.

5. Right click on the DumpsterAlwaysOn and modify the Value data to 1 and click on OK.
When you type 1, this means the Recovery deleted Item is on. Also 0 to turn it off.

6. Now open Outlook and click on Tools.
7. Choose 'Recovery Deleted Items'.