To delete a file type and all of its extensions

1. On the Tasks menu, click Options.

2. Click File Types.

3. Select a file type from the File types list, and then do one of the following:

   • Click the Remove a file type to delete a file type and all its extensions.

   • Select an extension from the Extensions for list and click Remove an extension to edit the name of the extension.

   Note:

   You cannot delete a default file type. You can delete all but one extension of a default file type, and you can add additional extensions to a default file type.

4. Click OK.