.ASCX File

.ascx is ASP.NET User Control File

Key Features: .ASCX File Extension

Features Description
File Extension .ascx
Format N/A
Created by Microsoft
Category Web

What's on this Page

  1. How to open:
  2. How to convert:

What is an .ASCX file?

The ascx file extension is associated with the Active Server Pages (ASP.NET), a server side scripting engine used to generate active web pages.

The ascx file stores a part of dynamic web page, for example active menu.

An ascx file extension is related to the Active Server Pages and used for its web user control files.

How to open:

Use compatible tools to work with *.ascx files.

How to convert:

Probably cannot be converted to anything else.
ASP.NET User Control File - File openers


  1. Microsoft Visual Studio 2017
  2. Microsoft Visual Web Developer
  3. Adobe Dreamweaver CC 2019


  1. Adobe Dreamweaver CC 2019
  2. MacroMates TextMate




How to solve problems with ASCX files