.ascx file extension
- Visual Studio/ASP.NET Custom User Control source file.
Can you add to this? Do you know of any applications not already listed which will work with .ascx files, view .ascx files or open .ascx files? Are you able to contribute any additional reference information or file format information about .ascx files or have you spotted any errors or omissions? If so please let us know by emailing us at firstname.lastname@example.org - Thank you.