The standard PWB extensions define additional switches to control their behavior. You set these switches in tagged sections of TOOLS.INI specific to that extension.
| PWB Extension | Description | TOOLS.INI Section Tag |
| PWBROWSE.MXT | Source Browser | [PWB-PWBROWSE] |
| PWBC.MXT | C/C++ Language | [PWB-PWBC] |
| PWBHELP.MXT | Microsoft Advisor Help | [PWB-PWBHELP] |
The PWBROWSE switches are described in “Browser Switches”. The PWBC switches are described in “C and C++ Switches”. The PWBHELP switches are described in “Help Switches”.