XFD or xfd may refer to:
*
XML Form Definition, a user interface markup language
* .xfd, a filename extension sometimes used for files in the
Extensible Forms Description Language
Extensible Forms Description Language (XFDL) is a high-level computer language that facilitates defining a form as a single, stand-alone object using elements and attributes from the Extensible Markup Language (XML). Technically, it is a class of ...
*
Douglas XFD
The Douglas XFD was a carrier-based biplane fighter aircraft designed for the United States Navy, and the first fighter to be built by the Douglas Aircraft Company. A victim of changing requirements, no production was undertaken.
Design and de ...
, a 1933 naval fighter aircraft prototype
*
McDonnell XFD-1 Phantom, a 1945 naval fighter aircraft prototype
* The last column name in Microsoft Excel, XFD
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