- Uninstall the plug-in
- Download and install Office 2007 SP3 from https://www.microsoft.com/en-gb/download/details.aspx?id=27838 and an update for Outlook 2007 from https://www.microsoft.com/en-us/download/details.aspx?id=42427
- Go to the following in Control Panel:
Ensure “Give me updates for Microsoft products and check for new optional Microsoft software when I update Windows” is ticked here
- Install any other Windows 7 updates that are available.
The Outlook version should now read as:
- Reinstall the plug-in.