ShowAlias allows users to see whether an email was sent to their main (default) address or an alias address.
Installation
Testing
The final result is shown on the right (7).
Uninstallation
Select Start > Control Panel. Select "Programs and Features". Select "ShowAlias" in the list. Right-click and select "Uninstall". Follow the instructions.
Free vs. commercial version
The commercial version can work with all Inboxes (assuming you have several). In contrast, the free version can work only with the default Inbox.
The commercial version has an Options tab.
Please note that technical support is not available for freeware products.
Prices