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XHTML file extension

The table below provides useful information about the .xhtml file extension. It answers questions such as:

  • What is the .xhtml file?
  • What program do I need to open a .xhtml file?
  • How can the .xhtml file be opened, edited or printed?
  • How can I convert .xhtml files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

0 extension(s) and 1 alias(es) found in database

✅ XHTML Document

XHT file is an Extensible HyperText Markup Language document. XHTML is a markup language that has the same expressive possibilities as HTML, but a stricter syntax.
Category: Document files
Application: Mozilla Firefox
Mime-type: application/xhtml+xml
Magic number: -
Magic string: -
Sample: -
XHT aliases:
xhtm, xhtml
XHT related links:
XHT related extensions:
Hypertext Markup Language Document

Extensible Markup Language File

Multipurpose Internet Mail Extension HTML

QuickTime HTML

Wireless Markup Language Document

Simple Object Access Protocol Message

ColdFusion Markup Language

HTML Document with SSI

ColdFusion Component File

Adobe ColdFusion Server Database

Other types of files may also use the .xhtml file extension.

🚫 The .xhtml file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ahtml, chtml, dhtml, html, shtml, xhtm, xtml, zhtml

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Hypertext Markup Language Document
Compact HTML Document
Amulet Module Main OS File
HTML Document with SSI
XHTML Document
Dynamic HTML Data
XML4web HTML Document
Secure IE Zipped HTML

🔴 Can't open a .xhtml file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .xhtml file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .xhtml file extension, write to us!

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