Retrieve permanently deleted mail in outlook

This one should really help everyone!
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, expand Software.

3. You will find Microsoft there. Expand Microsoft.

4. Expand exchange and then client.

5. You will find Options there. Right click on Options, choose New and click on D Word Value.

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

7. 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.

8. Now open Outlook and click on Tools.

9. Choose 'Recovery Deleted Items'.