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What are ASCX files and how to open them

Are you having problems opening an ASCX file or are you simply curious about its contents? We're here to explain the properties of these files and provide you with software that can open or handle your ASCX files.

What is an ASCX file?

An .ASCX file is a Microsoft ASP.NET Web User Control file.

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open ASCX files

Important: Different programs may use files with the ASCX file extension for different purposes, so unless you are sure which format your ASCX file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested ten different ASCX openers which you will find listed below.

Last updated: January 26, 2024

Various apps that use files with this extension

These apps are known to open certain types of ASCX files. Remember, different programs may use ASCX files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Adobe DreamweaverAdobe DreamweaverUser submitted
Macromedia Dreamweaver MXMacromedia Dreamweaver MXUser submitted
Microsoft Web Platform ExtensionsMicrosoft Web Platform ExtensionsUser submitted
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
Xamarin StudioXamarin StudioUser submitted
MonoDevelopMonoDevelopUser submitted
UntisUntisUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
Embarcadero C++ BuilderEmbarcadero C++ BuilderUser submitted
Microsoft Visual Studio CTPMicrosoft Visual Studio CTPUser submitted

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about ASCX file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.