Many file types in Microsoft Windows XP and Windows 2000 are registered to be opened by a particular program. For example, Notepad starts when you want to open a text (.txt) file. You can change the program that starts when you open a file of a certain type.
- In My Computer or Windows Explorer, click the Tools menu, click Folder Options, and then click the File Types tab.
- In the Registered file types list, click the file type you want to open with a different program, and then click Change.
- In the Open With dialog box, select the program you want to use, and then click OK.
- Click OK in the Folder Options dialog box.