WHY ARE THERE SO MANY DIFFERENT FILE EXTENSIONS?

If you have been using ToolBook for a while you might have noticed that there are lots of supporting files installed on your Authoring machine which make ToolBook function as it does. Below is a list of the various file types which you will run across and what they are for.

• EXE
  A ToolBook file saved as an EXE file.
  
  

• TBK
  A regular ToolBook file. Template files are also saved with a .TBK extension, which means that a Template file for ToolBook is just an ordinary ToolBook file.
  
  

• SBK
  A ToolBook file designed for use as a System Book.
  
  

• PTP
  A ToolBook file configured for use as a STYLE for use in the Book Specialist. Typically located in the \spclst\styles\ directory.
  
  

• SPB
  A ToolBook file designed for use as a Extended Object Properties Editor.
  
  

• WBK
  ToolBook files containing Catalog category objects.
  
  

• WBX
  ToolBook files containing Catalog category object icons. This file is generated automatically by the Category Import process.
  
  

• INI
  Standard Windows INI files used by various routines in ToolBook.
  
  

• LOG
  Raw text file containing data intended for use as a Log of activities. Various routines in ToolBook generate a Log file.
  
  

• AXF
  A file containing raw text in an XML format used to describe a ToolBook file. Used during the Export to Web (DHTML) process.
  
  

• AOF
  INI file containing Outline information for use with the Book Specialists. Typically located in the \spclst\styles\outlines\ directory.
  
  

• BAK
  The new backup feature in ToolBook creates 1 or more backups of your book as you Save your book. The most recent backup will always be named with a BAK extension.
  
  

• 001 - 008
  The new backup feature in ToolBook creates 1 or more backups of your book as you Save your book. The .001 - .008 extensions are used to signify the 2nd, 3rd, etc. backups of the file being saved.