.XFD File

File extension xfd is related to Adobe Extensible Forms Description Language (XFDL).

The Extensible Forms Description Language is an XML extension language that addresses key problems involved with doing electronic commerce on the Web, originally developed by JetForm from FormFlow 99 format.

XFDL instances are XML documents; the form definition is encoded using XML elements and attributes.

In addition, XFDL imposes many constraints on the contents of the elements and the values of the attributes. In this specification, the nesting and sequence relationships between the elements and attributes are given, where possible, in DTD notation, while the constraints on element contents and attribute values are given in the BNF notation found in the XML specification.

The DTD-syntax description of the elements and attributes is "almost complete" because XFDL allows the insertion of arbitrary non-XFDL elements in certain well-defined places. Furthermore, the allowed content of several XFDL elements depends on the value of a particular attribute; once again, neither of these facts is expressible using DTDs.

MIME types:
application/vnd.adobe.xfd.xml
application/uwi_form
application/vnd.ufdl
application/vnd.xfdl
application/x-xfdl

Files with xfd extension are usually encountered on various eCommerce websites and contain data saved in Adobe XFDL (eXtensible Forms Description Language) file format.

How to open:

XFD format can be opened in Adobe Acrobat Reader or PureEdge Viewer or any text editor.

How to convert:

There is no way how to convert XFD XFDL format XML form file to another file format.