Tuesday, December 2, 2008

Error in Registry for Extension- 'Exchange Extension' in Outlook...

When you open Microsoft Outlook or when you open and close the Add-In manager dialog box in Outlook, you may get the following error message:
Microsoft Office Outlook Error in registry for extension "Exchange Extensions?
The syntax or format of the registry entry is incorrect. Check the registry settings and compare the registry for this extension to other extensions in the registry.

Cause
This error message may occur due to following three reasons:
Sending an email to a recipient by using the following method:

  • Right click the object, point select Send To, and then select Mail Recipient.
  • Wait more than 24 hours
  • Sending a second email to the recipient by using the first method again
  • After sending the second email, the Exchange Extensions string value in the computer registry is gets corrupted.

Resolution
To resolve this problem, you have to edit your Computer's registry. You can Edit the computer Registry by following these steps:
1. Quit Microsoft Outlook
2. Click Start button, click Run, type Regedit in open box and click Ok
3. Expand the Registry and select the following subkey:
4. HKEY_LOCAL_MACHINE\Software\Microsoft\Exchange\Client\Extensions
5. Right Click on Exchange Extensions, and click Delete
6. Click Yes for confirmation
7. In the file menu, click Exit to close the Registry Editor
Though, you can resolve this problem by editing the registry, but it is very risky. A minor mistake may cause operating system corruption. It is very hard for general user. In this situation, repairing the .pst files is very important to save your data; otherwise you may loss your important mails, contacts, notes and several other files stored in your outlook. Outlook pst repair software can help you in these circumstances in repairing your corrupted or damaged .pst files.
Outlook pst repair software are the application software that can help you in repairing and restoring your corrupted or damages outlook .pst files. These software use advanced searching algorithms to search and locate the corrupted outlook files and help you in restoring them. With the help of Outlook pst recovery software, you can recover all outlook contents including emails, notes, contacts, and calendar.

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