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.HTA File Extension

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File TypeHTML Application

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CategoryExecutable Files


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Program that can be run from an HTML document; an executable file that contains hypertext code and may also contain VBScript or JScript code; can be created by simply changing the file extension of an .HTM file to an ".HTA" extension; run by the Microsoft HTML Application Host (Mshta.exe).

More Information

You can run HTML applications in Windows by double-clicking HTA files. After you double-click an HTA file, Windows opens the application in Internet Explorer and runs the embedded code. When an HTA file is accessed on the Web, it typically produces a dialog box that says:

"What would you like to do with this file?"
☐ Run this program from its current location
☐ Save this program to disk

Programs that open HTA files
Microsoft Internet Explorer
Microsoft HTML Application Host
Updated 6/12/2015