Upgrading the application
We would like to package our application to be easily upgraded to other versions of Microsoft Dynamics NAV. This can either be a new version or a cumulative update. We can also package our software to be implemented in a different localization (country), or even downgrade to an older version of the application.
Creating a Delta file
To ship our software safely between versions, we need to create a Delta file. This defines the difference between our application and the standard application that we started off with when we started programming.
The Delta file allows both the entirely new objects and the changes that we have implemented to the standard Dynamics NAV objects. When the Delta file is applied to another version, we will get a warning if the change cannot be applied because of a conflict or missing reference.