| File Extension: | ASCX |
| File Type Description: | ASP.NET User Control File |
| File Type Developer: | Microsoft Corporation |
| Primary Associated Software: | Adobe Dreamweaver |
| Primary Software Developer: | Adobe Systems Incorporated |
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Adobe Systems Incorporated developed the ASP.NET User Control File file type when the Adobe Dreamweaver was initially released. Data from our web servers (annonymous users) show that ASCX files are most popular in United States and are often used by Windows 10. A majority of people seeking info on ASCX files are using the Google Chrome browser.
 | Microsoft Visual Web Developer by Microsoft Corporation |
 | Adobe Dreamweaver by Adobe Systems Incorporated |
| Windows 10 | Windows 11 | Windows 6 | Windows 8.1 |
 | Windows |
 | Mac |
| Extension | File Type Developer | File Category | File Type Description |
|---|---|---|---|
| .PHR | Adobe Systems Incorporated | Data Files | RoboHelp Phrase List |
| .PJP | Joint Photographic Experts Group | Raster Image Files | JPEG Image |
| .STN | ON1, Inc. | Vector Image Files | Genuine Fractals Image |
| .HTMLS | Open Source | Web Files | HTML With Server-Side Include |
| .MXF | SMPTE | Video Files | Material Exchange Format File |
| .3P2 | Open Source | Audio Files | 3GPP Multimedia File |
| .ENV | Adobe Systems Incorporated | Data Files | Adobe Dictionary Data File |
| .IFC | buildingSMART | 3D Image Files | Industry Foundation Classes File |
| .PREF | Unknown Developer | Settings Files | Preferences File |
| .A4P | Avanquest Software | Web Files | A4Desk Pro Project File |
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