What is a dlg file and how do I open a dlg file?
A DLG file is used by Bioware Aurora Dialog Data containing conversation. A Conversation is a branching set of predefined text strings that a player and one or more NPCs can say to each other, along with the conditions that govern which lines are said and which are not, which are available to say and which are not, and the actions that accompany each line as it is said.
Relevant dlg file links:How to open dlg file on Youtube
How to open dlg file on Wikipedia
How to open dlg file on Microsoft.com