What is H1C? H1C is used as the file extension for Help Collection files. .H1C files are text files that used by Assistance Platform client (HelpPane.exe) on Windows systems. See the sample .H1C file included below.

File Extension: .H1C

MIME Type: text/plain

File Content: Help Collection

.H1C files are Help Collection files, that used by Assistance Platform client (HelpPane.exe) on Windows systems. Here is a sample .H1C Help Collection file Windows.h1c:

<?xml version="1.0"?>
<!DOCTYPE HelpCollection>
<HelpCollection DTDVersion="1.0" LangId="1033"
   Title="Windows OS Collection">
   <TOCDef File="windows.H1T" Id="InsertTOC:Windows"/>
   <KeywordIndexDef File="windows_assetid.H1K"/>
   <KeywordIndexDef File="windows_subjectterm.H1K"/>
   <KeywordIndexDef File="windows_bestbet.H1K"/>
   <KeywordIndexDef File="windows_linkterm.H1K"/>
   <ItemMoniker Name ="!DataSource" ProgId="HxDs.HxDataSource"
      InitData =""/>
   <ItemMoniker Name="!DefaultToc" ProgId="HxDs.HxHierarchy" 
      InitData="AnyString"/>
   <ItemMoniker Name="!DefaultFullTextSearch" 
      ProgId="HxDs.HxFullTextSearch" InitData="AnyString"/>
   <ItemMoniker Name="!DefaultAssetIdIndex" ProgId="HxDs.HxIndex" 
      InitData="AssetId"/>
   <ItemMoniker Name="!DefaultKeywordIndex" ProgId="HxDs.HxIndex" 
      InitData="SubjectTerm"/>
   <ItemMoniker Name="!DefaultAssociativeIndex" ProgId="HxDs.HxIndex" 
      InitData="LinkTerm"/>
   <ItemMoniker Name="!DefaultBestBetIndex" ProgId="HxDs.HxIndex" 
      InitData="BestBet"/>
</HelpCollection>

.H1C Help Collection file sample: Click sample.h1c to download.

Since .H1C files are in text 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 .H1C Help Collection files, see links below:

• Assistance Platform 1.0 Client SDK