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ASCX File - What is an .ascx file and how do I open it?

Learn about .ASCX files and view a list of programs that open them.

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Overview

What is an ASCX file? An ASCX file is a webpage that can be used as a component of other webpages. For example, a navigation bar called navbar.ascx might be referenced by all pages within an ASP-driven website. A single change to the navbar.ascx file would then change the navigation bar on all the website's other pages.

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Popularity3.6 | 12 Votes

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.ASCX File Extension

ASP.NET User Control File

DeveloperMicrosoft
Popularity
3.6  |  12 Votes
 

What is an ASCX file?

An ASCX file is a webpage that can be used as a component of other webpages. For example, a navigation bar called navbar.ascx might be referenced by all pages within an ASP-driven website. A single change to the navbar.ascx file would then change the navigation bar on all the website's other pages.

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Programs that open or reference ASCX files

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Windows

Microsoft Visual Studio 2022

Free +

Adobe Dreamweaver 2021

Free Trial

Mac

Adobe Dreamweaver 2021

Free Trial

MacroMates TextMate

Free

Category: Web Files

Updated: January 11, 2021

FAQ

What is an ASCX file?↓
An ASCX file is a webpage that can be used as a component of other webpages. For example, a navigation bar called navbar.ascx might be referenced by all pages within an ASP-driven website. A single change to the navbar.ascx file would then change the navigation bar on all the website's other pages.

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