To Convert Mac Data to PC once you have Same Application on Mac and PC, you have to Copy the Macintosh files to your PC with emailing them to yourself from the Mac and opening the message using your email software on the PC or with transferring them to a CD or portable thumb drive on the Mac and putting the CD or thumb drive in the PC. After that, open the application on the PC that matches the application on the Mac that created the files. For instance: Microsoft Word. Then, Use the PC application's "File" menu "Open" command to find the Macintosh files and open them. You need to Use the File menu, "Save" command to save them and convert to your PC hard drive (C:\). Next, repeat these steps for each set of data that is associated with a piece of software that runs on both Macintosh and PC.