.HTT File

File extension: HTT

File type: Hypertext Template File

Notes about the HTT file extension:

To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The HTT file type is primarily associated with 'Hypertext Template File' by Microsoft Corporation. A hypertext template file controls the look of Windows Explorer when it is showing folder contents in HTML mode. The file is generally called folder.HTT and it typically resides in a hidden sub-folder called Folder Settings. A desktop.ini file maintains the link to it in the form: PersistMoniker=file://Folder Settings/folder.htt. The HTT can have any content and can exploit any available object model to process its data. Any Dynamic HTML (DHTML) page can be used as a folder template. An HTT may also include some environment variables that you cannot access from a regular HTML file. This file can become infected and the W32/Romario-B Win32 worm creates an HTT file as part of its activation.

Detailed information for file extension HTT:

Primary association: Hypertext Template File

Company: Microsoft Corporation

File classification: Text

Mime type: text/webviewhtml

Related links: MSDN HTT Article, W32/Romario-B Win32 Worm

To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension HTT click this link to expand/hide the additional area.

System Info for File Extension .HTT

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: HTTfile, FileType: HyperText Template, AppName: Adobe GoLive Application
EXEFile: GoLive.exe

ProgramID: httfile, FileType: HyperText Template, AppName: Microsoft FrontPage
EXEFile: FRONTPG.EXE

ProgramID: HTTfile, FileType: HyperText Template, AppName: Microsoft Office FrontPage

ProgramID: pnphttfile
EXEFile: %ProgramFiles%\A Tech Group\Professional Notepad\notepad.exe %1

ProgramID: httfile
EXEFile: %ProgramFiles%\Adobe\Adobe GoLive CS2\GoLive.exe %1

ProgramID: httfile
EXEFile: %ProgramFiles%\Adobe\Adobe GoLive CS2 CoAuthor\GoLive.exe

ProgramID: httFile
EXEFile: %ProgramFiles%\Microsoft Office\OFFICE11\FRONTPG.EXE

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