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Mastering File Types

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This chapter is from the book

This chapter is from the book

Associating Two or More Extensions with a Single File Type

The problem with creating a new file type is that you often have to reinvent the wheel. For example, let’s say you want to set up a new file type that uses the .1st extension. These are usually text files (such as readme.1st) that provide pre-installation instructions, so you probably want to associate them with Notepad. However, this means repeating some or all of the existing Text Document file types. To avoid this, it’s possible to tell Windows XP to associate a second extension with an existing file type. Here are the steps to follow:

  1. Open the Folder Options dialog box and display the File Types tab.

  2. Click New. Windows XP displays the Create New Extension dialog box.

  3. Type the File Extension for the new file type.

  4. Click Advanced. The dialog box expands as shown in Figure 3.11.

  5. Figure 3.11

    Figure 3.11 The expanded version of the Create New Extension dialog box.

  6. Use the Associated File Type list to select the file type for the new extension (such as Text Document).

  7. Click OK to return to the File Types tab.

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