ASCX File Description

Reporter:   |   Updated: December 13, 2018

Microsoft Silver

ASCX File Summary

There is one file type associated with the ASCX File Extension, the ASP.NET User Control File format. According to our database, two distinct software programs (conventionally, Adobe Dreamweaver developed by Adobe Systems Incorporated) will enable you to view these files. The majority of ASCX files are considered Web Files.

The ASCX File Extension can be viewed on the Windows and Mac operating systems. They are supported on both desktop and mobile devices. The ASCX File Extension carries a Popularity Rating of "Low", meaning that these files are scarcely found in most user's file stores.

If you would like to learn more about ASCX files and the software that opens them, please see the additional detailed information below. Also, you can learn how to do some basic ASCX file troubleshooting if you are having trouble opening these files.

Low
Prevalence
11324
Ranking

/ 11690

Active

File Status

13

December

2018

Revised

Open ASCX Files with FileViewPro

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Known ASCX Files


Principal ASCX Type

.ASCX
Extension:.ascx
Classification:ASP.NET User Control File

A webpage which can function as a component for other Web pages. For instance, a navigation bar having the name 'navbar.ascx' could be referenced by pages in a website that is ASP-driven. One change on the navbar.ascx will result in changes in the navigation bar for all the pages.

Created by: Microsoft Corporation
Class:Web Files
Registry Key: HKEY_CLASSES_ROOT\.ascx

Software Programs That Open The ASP.NET User Control File:


Adobe Dreamweaver by Adobe Systems Incorporated

Windows
Mac

Microsoft Visual Web Developer by Microsoft Corporation

Windows

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ASCX File Popularity


Leading Device Types

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


Troubleshooting Problems Opening ASCX Files


Common Problems Opening ASCX Files

Adobe Dreamweaver Disappeared

You encounter an error message such as "%%os%% Can't Open ASCX Files" when trying to open your ASCX. Customarily, this means that Adobe Dreamweaver is not installed on %%os%%. The typical path of opening your ASCX with a double-click won't work because %%os%% cannot make the program connection.


Tip: If you don't have Adobe Dreamweaver installed, and you know of another program to open your ASCX file, you can try opening it by selecting from the programs listed under "Show Apps".


Adobe Dreamweaver is Out-of-Date

It is possible that your version of Adobe Dreamweaver isn't able to open your ASP.NET User Control File file due to incompatibility. Installing the latest version of Adobe Dreamweaver from Adobe Systems Incorporated is recommended. Your ASP.NET User Control File file was probably created by a newer release of Adobe Dreamweaver than what's currently installed your computer.


Tip: Sometimes you can get a clue about the version of ASCX file you have by right clicking on the file, then clicking on "Properties" (Windows) or "Get Info" (Mac OSX).


Summary: In either case, the majority of problems opening ASCX files are related to not having the correct software application installed on your computer.


Additional ASCX Opening Issues

Errors opening ASP.NET User Control File files can still occur even with the latest Adobe Dreamweaver software installed on your computer. Other ASCX opening errors can be created by other system problems inside of %%os%%. Additional factors include:

  • Windows Registry ASCX file paths that are incorrect
  • Corruption of the ASCX file description inside the Registry
  • Invalid installation of a ASCX-associated program (eg. Adobe Dreamweaver)
  • Your ASCX file is corrupted (issues with your ASP.NET User Control File file itself)
  • Past or present virus infection has affected your ASCX
  • Drivers associated with ASCX software need to be updated
  • Your PC doesn’t have enough available resources to open the ASP.NET User Control File file

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