In the article Spkl Task runner was used to unpack the CRM solution components. If you have to connect to a new instance and save the configuration information before unpacking the solution components then follow the steps below:
In the example I am connecting CRM 365 on-premise
In Dynamics 365 CE online an organization is very much an Instance but in on-premise we will have multiple organizations and this will be listed once successfully authenticated
The settings are saved under AppData\Roaming… in Credentials.xml
If the file Credentials.xml is deleted then you will be prompted to enter CRM Server,Port again.