What is HXA? HXA is used as the file extension for Windows Help 2 Attribute Definition files. .HXA files are XML files that are used to store help documentation's attributes definitions. See the sample .HXA file included below.

File Extension: .HXA

MIME Type: text/xml

File Content: Help 2 Attribute Definition

.HXA files are Windows Help 2 Attribute Definition files. Here is a sample .HXA Help 2 Attribute Definition file, NETSDKALinks.HxK:

<?xml version="1.0"?>
<!DOCTYPE HelpAttributes>

<HelpAttributes DTDVersion="1.0">

<AttName Id="4" Name="Build" Display="No" UIString="Context: Build" 
   AttType="Enum">
  <AttVal Id="4_2" Name="Debug" Display="No" UIString="Debug" />
  <AttVal Id="4_1" Name="Retail" Display="No" UIString="Retail" />
  <AttVal Id="4_3" Name="User" Display="No" UIString="User-defined" />
</AttName>
<AttName Id="9" Name="Database" Display="No" UIString="Context: Database"
  AttType="Enum">
  <AttVal Id="9_3" Name="DB2" Display="No" UIString="DB2" />
  <AttVal Id="9_6" Name="FoxPro" Display="No" UIString="FoxPro" />
  <AttVal Id="9_4" Name="Informix" Display="No" UIString="Informix" />
  <AttVal Id="9_5" Name="Jet" Display="No" UIString="Jet" />
  <AttVal Id="9_2" Name="Oracle" Display="No" UIString="Oracle" />
  <AttVal Id="9_1" Name="SQL" Display="No" UIString="SQL" />
</AttName>
...
</HelpAttributes>

.HXA Help 2 Attribute Definition file sample: Click sample.hxa to download.

Since .HXA files are in XML format, you can use Notepad or any text editor to create or modify them. No special software is needed.

For for information on how to use .HXA Help 2 Attribute Definition files, see links below:

• Microsoft Help 2 Reference