[MSDN Library June 1998] Extension Interfaces (35.1031535514294%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Extending the Microsoft Exchange Client > Guide > About Client Extensions > Extension Contexts

[MSDN Library June 1998] Extension and Filter Version Information (33.7436406186406%)

MSDN Library Visual Studio 6.0 > Platform SDK > Internet/Intranet/Extranet Services > Internet Information Server SDK > Programmer's Reference > ISAPI > ISAPI and the Web Application Architecture

[MSDN Library June 1998] Extension DLLs: Overview (33.1088515571274%)

MSDN Library Visual Studio 6.0 > Visual C++ Documentation > Using Visual C++ > Visual C++ Programmer's Guide > Adding Program Functionality > Overviews > DLLs: Overview

[MSDN Library June 1998] Extension Ordering (29.2410845859122%)

MSDN Library Visual Studio 6.0 > Platform SDK > Database and Messaging Services > Extending the Microsoft Exchange Client > Guide > About Client Extensions > Registering Extensions

[MSDN Library June 1998] Extension Features for Snap-Ins (29.0839536807279%)

MSDN Library Visual Studio 6.0 > Platform SDK > Setup and Systems Management Services > Microsoft Management Console > The Microsoft Management Console- Overview

[MSDN Library September 1992] Extension Switches (17.8942076367898%)

Product Documentation > C/C++ 7.0 > Environment and Tools > PART 1 The Programmer's WorkBench > Chapter 7 Programmer's WorkBench Reference > 7.6 PWB Switches