.SVC File

File extension svc is associated with WCF Web Service. These are text files that contain information about a Windows Communication Foundation (WCF) service that can be run using Microsoft Internet Information Services (IIS).

The svc files include a WCF-specific processing directive that activates hosted services in response to incoming messages.

Web services are components on a Web server that a client application can call by making HTTP requests across the Web. ASP.NET enables you to create custom Web services or to use built-in application services, and to call these services from any client application.

The syntax of an svc file can be something like this:
<% @ServiceHost Service="Namespace.ServiceTypeName" %>

The address of the svc file is usually something like this:
http://localhost/Application/MyService.svc

Files with svc extension usually stores ASP.NET WCF Web service data. Related to websites internal structure.

How to open:

Use any of the Microsoft Visual Studio suites to work with the *.svc files.

How to convert:

There is no way how to convert *.svc files to other formats.