Outlook Error: Do you want to save the changed to email.dot

Problem Descriotion:
Now and then I see a pop-up message on my screen "Do you want to save the changes to email.dot?" Options available are 'Yes', 'No' and 'Cancel'

Cause: Clash between Microsoft Office and third part Add-on in installed

Fix: Disable the Add-in which might be clashing
To do this follow the instructions below:

Open outlook,
click Tools,
Click options,
Click Advanced Options
Click Add-in Manager
In Add-in manager window untick the add-in which is not a standard add-in and click ok > ok > ok

In some cases changes might take affect after restart of outlook