File Extension Search

.hht File Extension

Developer: Microsoft Corporation
File type: Help & Support Center File
You're here because you have a file that has a file extension ending in .hht. Files with the file extension .hht can only be launched by certain applications. It's possible that .hht files are data files rather than documents or media, which means they're not meant to be viewed at all.

what is a .hht file?

The HHT file extension is used for a Help and Support Center HHT file, which was developed by Microsoft Corporation. HHT files specify classification of content intended for help documents, which are primarily created by Microsoft Help and Support Center. Files like these normally appear in XML formats and specify classification of content for the help documents. It also dictates the way content should be mapped in relation to taxonomy and the creation of new nodes. XML is acronym for Extensible Markup Language. It is a language that specifies a set of rules to be used when encoding documents that can be read by both machine and human. Extensive markup language focuses usability, simplicity and generality over the web. It is a textual data format that is encoded using UNICODE. Unicode is the standard being used in encoding characters for software. The use of Unicode at character unification has paved the way for its widespread use in the international arena of computer writing software.

how to open a .hht file?

Launch a .hht file, or any other file on your PC, by double-clicking it. If your file associations are set up correctly, the application that's meant to open your .hht file will open it. It's possible you may need to download or purchase the correct application. It's also possible that you have the correct application on your PC, but .hht files aren't yet associated with it. In this case, when you try to open a .hht file, you can tell Windows which application is the correct one for that file. From then on, opening a  .hht file will open the correct application. Click here to fix .hht file association errors

applications that open a .hht file

Microsoft Windows Help

Microsoft Windows Help

Microsoft WinHelp is an owned format by Microsoft Corporation. It was designed for online help files that can be showed by the Microsoft Help browser winhelp.exe or winhlp32.exe. The file format is supported on Rich Text Format (RTF). It remained a well known Help platform from Windows 3.0 platform thru Windows XP. WinHelp was omitted in Windows Vista to discourage software developers from using the out of date format and encourage use of newer help formats. A WinHelp file has an .hlp extension. It can be accompanied by an optional table of contents (.cnt) file if the help developer created one. When Windows accesses a WinHelp file, it creates a .gid file in the same directory, having information about the .hlp file such as the window size and location. When the user clicks the "Find" tab and enables keyword indexing, Windows generates an index file with an .fts (full text search) extension.
Microsoft Notepad

Microsoft Notepad

Notepad is a basic text editor used to create plain documents. It is commonly used to view or edit text (.txt) files, and a simple tool for creating Web pages, and supports only the basic formatting in HTML documents. It also has a simple built-in logging function. Each time a file that initializes with .log is opened, the program inserts a text timestamp on the last line of the file. It accepts text from the Windows clipboard. This is helpful in stripping embedded font type and style codes from formatted text, such as when copying text from a Web page and pasting into an email message or other “What You See Is What You Get” text editor. The formatted text is temporarily pasted into Notepad, and then immediately copied again in stripped format to be pasted into the other program. Simple text editors like Notepad may be utilized to change text with markup, such as HTML. Early versions of Notepad offered only the most basic functions, such as finding text. Newer versions of Windows include an updated version of Notepad with a search and replace function (Ctrl + H), as well as Ctrl + F for search and similar keyboard shortcuts. It makes use of a built-in window class named edit. In older versions such as Windows 95, Windows 98, Windows Me and Windows 3.1, there is a 64k limit on the size of the file being edited, an operating system limit of the EDIT class.
Microsoft Works

Microsoft Works

Microsoft Works is incorporated package software that was developed by Microsoft. It is less expensive, smaller, and has fewer features than Microsoft Office or other office suites. Its central functionality includes a word processor, a spreadsheet and a database management system. Newer versions have a calendar application and a dictionary while older versions included a terminal emulator. Files with WPS extension is utilized for output files of the Microsoft Works word processing application. These files are classified as text documents that can be created, saved, viewed and edited using the Microsoft Works program. Microsoft Word 2010, Microsoft Publisher 2010, Planamesa NeoOffice, and OxygenOffice Professional are some of the applications that are able to open and view the content of these WPS files. The contents of these WPS files can also be exported to other compatible word document formats. This promotes convenience and efficient document presentation, group collaboration and sharing between users of different systems and word processing applications; however, WPS document cannot be applied with macros and other formatting options available in Microsoft Word; so Microsoft discontinued support and development of the Microsoft Works application with its version 9 and the release of Microsoft Word 2010.
Microsoft Word

Microsoft Word

Microsoft Word is a word processor program that is packed in the Microsoft Office Suite. It is developed by Microsoft Corporation, generating a .doc file extension when the file is saved. A document file format (.doc) is a text or binary file format for saving documents on a storage media, mainly for computer use, like typing text, charts, tables, page formatting, graphs, images and other documents whose content is created and edited. Contents of these documents are printable in any sizes and are capable to open in other devices provided that its operating system is able to read DOC files. This .doc file extension has become extensive de facto standard for office documents, but it is an owned format and is not always totally supported by other word processors. A variety of programs that is able to open this type of file, and different operating systems and have installed programs that can open a 1ST file are: Microsoft Word, Microsoft Notepad, Microsoft Word, IBM Lotus WordPro, and Corel WordPerfect.
Microsoft WordPad

Microsoft WordPad

Files with .rtf, .openbsd, and .readme extensions are some of the files associated or which can be opened with the Microsoft WordPad. RTF files are text documents that can be created, opened, viewed, edited or changed using word processing applications for both Mac and Microsoft Windows-based computers, like Microsoft WordPad for Windows and Microsoft Word 2011 for Mac. It gives the users a wide cross compatibility support, which was the central objective for the improvement of the Rich Text Format technology, and these .rtf files can even be opened, viewed and used with database applications. The OpenBSD Unix platform is frequently utilized in computers running as Web servers of a secure network. OpenBSD files may be saved in directories of the OpenBSD system that were generated upon installation of the software applications. Files with the .openbsd extension can be opened by standard text editors, particularly well-known like Microsoft Notepad, and this text editor may also be utilized to create and edit OPENBSD files. Files with the .readme extension are text documents engaged to give users with beneficial information and specific details about certain applications installed in the system. These files can be opened, viewed and edited with a selection of text editors including Microsoft Notepad and Microsoft WordPad.

a word of warning

Be careful not to rename the extension on .hht files, or any other files. This will not change the file type. Only special conversion software can change a file from one file type to another.

what is a file extension?

A file extension is the set of three or four characters at the end of a filename; in this case, .hht. File extensions tell you what type of file it is, and tell Windows what programs can open it. Windows often associates a default program to each file extension, so that when you double-click the file, the program launches automatically. When that program is no longer on your PC, you can sometimes get an error when you try to open the associated file.
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