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HTX File Extension

The HTX file extension was created by Microsoft and is also known as the HTML Extension File. HTX is classified as a Web Files and The format of this file type has not been determined yet. You can open HTX files in Microsoft FrontPage program.

HTML Extension File Type

HTML Extension File Type
Extension .htx
Developer Microsoft
Popularity 5.0 (1 Votes)
Mime Type text/html
Default Program Microsoft FrontPage
Category Web Files
Format Not Available
Updated 7/1/2025

What is a HTX File Type?

The HTX files must be saved in the same directory as the corresponding Internet connection file. It will only be handled by a web server that supports Microsoft Indexing Service.

Free Online HTX Tools & Apps

Access powerful and secure free online HTX tools to convert, view, edit, merge, split, and compare HTX files — all without installing any software. Our tools support the .HTX (HTML Extension File) file extension and run smoothly in any modern browser.

Select a tool below to explore features and manage your HTX files directly from your device with ease.

HTX Files Common Issues

There are few common issues with the HTML Extension File .HTX File Extensions while opening the .HTX files on Windows and MacOs, we have solution to those issues such as:

Can't Open HTX Files?

  1. You must have supported software programs installed for HTML Extension File on your system such as Microsoft FrontPage.
  2. Associate default Microsoft Microsoft FrontPage program for *.htx (HTML Extension File) files.

    Associate HTX Default Program on Windows
    1. Right-click a *.HTX (e.g example.htx) file and click Open With.
    2. In the Open with dialog box, click Microsoft Microsoft FrontPage program Or click Browse to locate the program (*.exe) that you want.
    3. Select check box for Always use this app to open .htx files.

    Associate HTX Default Program on MacOs
    1. Click *.HTX (e.g example.htx) file and click information -> Open With.
    2. In the programs list, click Microsoft Microsoft FrontPage program Or other appropriate program that you want.
    3. Confirm Change for all... and Contine.
    4. A message will appear "This change will be applied to all files with .Microsoft FrontPage extension. By clicking Continue you confirm your selection", click Contine to apply changes.

Related HTX File Extensions

HTX default file extension is .HTX and other similer related extensions are:

All Platform Software Programs for HTX File Extension

List of all softwares that can open the HTX files on each platforms such as Windows, Mac, iOS, Linux, Web and Android, you may click the each software link for more details for other supported formats for each software and the verified direct download links for each software with complete lisensing details.

Microsoft Windows logo image Open HTX File on Windows

Software License Developer
Microsoft FrontPage image. Microsoft FrontPage 000 for Windows Paid Microsoft
Adobe RoboHelp image. Adobe RoboHelp 2019 for Windows Commercial Adobe
Microsoft Word image. Microsoft Word 365 for Windows Commercial Microsoft
Microsoft Works image. Microsoft Works 9 for Windows Commercial Microsoft

MacOs logo image - FileProInfo.comOpen HTX File on Mac OS

Software License Developer
Adobe RoboHelp image. Adobe RoboHelp 2019 for MacOs Commercial Adobe
Microsoft Word image. Microsoft Word 365 for MacOs Commercial Microsoft

Linux logo image - FileProInfo.comOpen HTX file on Linux

Software License Developer

Website logo image - FileProInfo.comOpen HTX file on Web

Software License Developer

iOS logo image - FileProInfo.comOpen HTX file on iOS

Software License Developer

Android logo image - FileProInfo.comOpen HTX file on Android

Software License Developer

About Licensing

  1. Free Trial This software are often used for an attempt period, like 14 days, before requiring payment. Some trial versions have a reduced feature set.
  2. Free This software is liberal to use. Examples include open-source , freeware software, like free programs supported by advertising.
  3. Free+ This software is liberal to download and use, but contains in-app purchases (IAP) to unlock additional content or functionality.
  4. Paid This software must be purchased so as to use it. it's going to be offered as a perpetual license or ongoing subscription.
  5. Included with OS This software is bundled with an OS , like Windows, macOS, or Android.

HTX file extension icon image.About HTX - HTML Extension File

FileProInfo is to help you understand about the HTML Extension File with *.HTX suffix, and provide the complete detail as how to open, edit, convert, merge, split and compare it with other related software programs, software download links and free online apps and tools.

Our professional team members at FileProInfo have been individually researched and verified the details for HTX. We want to be 100% accurate and publish the information about file formats, tools, apps and software programs that we have tested and validated.

If you would like to suggest any additions or updates to this page for HTX, please let us know.

Updated 7/1/2025