Use the integrated file browser to navigate to the folder containing the VBScript file. Highlight the VBScript file, which has a VBS extension, and click "Open" to open it in WordPad. Edit the script.

programmatically access the file system and create, modify, delete, open, and close files for different purposes. To open/create a file in VBScript, you must create a handle on the FileSystemxxx ...

Renegade's Random Tech weblog has a simple how-to for converting batch or .VBS scripts into executable forms using a lesser-known Windows program called IExpress.

If you already have a VBScript file you want to which you want to append the new function, open it in Notepad. Create a file system object variable and open the file.