XHT file format description

Many people share .xht files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .xht file can be edited, converted or printed with. On this page, we try to provide assistance for handling .xht files.

2 filename extension(s) found in our database.

.xht - XHTML Document

The XHT document files are related to Mozilla Firefox. The 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.

Mozilla Firefox
Document files
- / -
xhtm, xhtml
XHTML Document related extensions:
Autodesk DWF XPS Document
RoadEng Terrain Design Document
Microsoft OneNote Document
Caditor Encrypted Document
Microsoft Power BI Report
DeskMate Drawing Document

.xht - Sunnysoft InterWrite XHT Data

The XHT data files are related to Sunnysoft InterWrite. The XHT file is a Sunnysoft InterWrite XHT Data. Sunnysoft InterWrite is a soft keyboard alternative with an optional full screen input panel for Windows Mobile. The Sunnysoft InterWrite seems to be no longer supported.

Sunnysoft InterWrite
Data files
- / -
Sunnysoft InterWrite XHT Data related extensions:
Bruker Aspect NMR Data
NOAA Nautical Charts
BitTorrent Sync Data
NobleNet Sealer File
DiscSafe Backup Data
iGO 3D Building Data

Naturally, other applications may also use the .xht file extension. Even harmful programs can create .xht files. Be especially cautious with .xht files coming from an unknown source!

Can't open a .xht 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 can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .xht file extension is often given incorrectly!

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

aht, cht, dht, ht, hxt, sht, xbt, xgt, xhf, xjt, xmt, xnt, xt, xtt, xyt

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Chemtool Document
Exient XGS Texture Data
PSpice Library Format Data
Humminbird Track Data
PSU Bio Time-of-Flight Data
eSignal CHT Data

Operating systems

DataTypes.net currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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DataTypes.net >> XHT file