Associating a File Extension with Oxygen XML Author

To associate a file extension with Oxygen XML Author on Windows:
  1. Go to the Windows Start menu and open Control Panel.
  2. Go to Default Programs.
  3. Click Associate a file type or protocol with a program.
  4. Click the file extension you want to associate with Oxygen XML Author, then click the Change program button.
  5. In the subsequent dialog box, browse for and choose Oxygen XML Author.
  6. Click OK.
To associate a file extension with Oxygen XML Author on Mac OS:
  1. In Finder, select a file and from the contextual menu select Get Info.
  2. In the Open With subsection, select Other from the application combo box.
  3. Browse to and select Oxygen XML Author.
  4. Select the Always Open With option, then click Add.
  5. If you want all files of that type to be opened in Oxygen XML Author, click the Change All button and then the Continue button in the subsequent confirmation dialog box.