Uninstalling Outlook Express 5.x manually

Step 1: Remove the installation
Learn how to uninstall Outlook Express 5.x

Step 2: Delete the registry key for Outlook Express 5.x:
Learn how to fix registry

The following registry information should be deleted if present:
HKEY_LOCAL_MACHINE\Software\Microsoft\Outlook Express
HKEY_LOCAL_MACHINE\Software\Microsoft\WAB
HKEY_CURRENT_USER\Identities
HKEY_CURRENT_USER\Software\Microsoft\Outlook Express
HKEY_CURRENT_USER\Software\Microsoft\WAB
HKEY_LOCAL_MACHINE \Software\Microsoft\Active Setup\Installed Components\
{44BBA840-CC51-11CF-AAFA-00AA00B6015C}
HKEY_LOCAL_MACHINE \Software\Microsoft\Active Setup\Installed Components\
{7790769C-0471-11D2-AF11-00C04FA35D02}

To uninstall Outlook Express 5.0x & 6.X manually, do the same thing as uninstall Outlook Express 5.x.

It is not very convenient to uninstall Outlook Express manually. With Perfect Uninstaller, you can uninstall Outlook Express and remove all traces quickly, completely and automatically.

Here are how to uninstall Outlook Express with Perfect Uninstaller.

Step 1: Download and install Perfect Uninstaller.

Step 2: Boot you PC in safe mode.
Learn how to do it

Step 3: Open Perfect Uninstaller, and then click Special Uninstall to open the Special Uninstall Wizard as follows:

Step 4: Click Outlook Express(uninstall in safe mode), and then click Next.
Step 5: Click Next and then click Finish to completely uninstall Outlook Express.