The .swe file extension is related to the Siebel Web Engine.
SWE file extension - Siebel Web Engine file
What is swe file? How to open swe files?
File type specification:
The SWE file extension is associated with Siebel Web Engine.
Siebel Web Engine (SWE) is responsible for rendering the Siebel User Interface. Siebel Web Templates provide this HTML layout information (markup information) to the Siebel Web Engine when rendering Siebel objects in the repository definition of the application.