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File names are not case-sensitive. Learning the Basics 95 Printing your work Using a file extension Most programs assign an extension to the file name that identifies the file as being created in the program with a particular format. For example, Microsoft® Word saves files with a .doc extension. Any file name with an extension of “.doc” is assumed to be a Microsoft® Word file. Creating your own extension is usually unwise, since the program is unlikely to recognize a strange extension and may refuse to handle your file correctly. TECHNICAL NOTE: By default, the Windows® operating system does not show file extensions. For information on showing or hiding file extensions, see your Windows® online Help. Printing your work Ensure the operating system is set up for your printer as described in “Setting up a printer” on page 73. HINT: You only need to set up the printer the first time you connect it. If you use more than one printer or are changing printers, you will need to set up the Windows® operating system to run with the additional printer(s). To print a file: 1 If your printer is not on, turn it on now. 2 In your Windows®-based application, click File, and then Print. The program displays a Print dialog box. (Sample Image) Print dialog box 96 96 Learning the Basics Backing up your work 3 Specify the print parameters. For example, the range of pages and number of copies to print. 4 Click Print. Backing up your work Back up all the files you create in case something happens to your computer. You can back up your files to different types of media such as CDs, DVDs, diskettes, or to a network, if available. To back up several files at one time, use the Microsoft® Windows® backup program preinstalled on the computer’s hard disk. Also see “Backing up your data or your entire computer with the Windows® operating system” on page 201. HINT: Backing up all the files on your hard disk may take a considerable amount of time and multiple CDs/DVDs. You may prefer to use a high-capacity backup system, such as an external hard drive. Small files can be backed up on diskettes if an optional external diskette drive is available. Restoring your work To restore information from your backup media to your hard disk, use the Restore page in the backup program. Look in the online Help or your operating system documentation for information on restoring files. TECHNICAL NOTE: When restoring files, the backup program prompts you if you try to overwrite a file that already exists on the hard disk. Make sure the backup version is the one you want before overwriting the existing file. Learning the Basics 97 Using the optical drive Using the optical drive Optical storage has become the preferred medium for software, music, and video. Digital versatile discs (DVDs) provide a significant increase in data storage and support features that are not available on any other video platform. These features include wide- screen movies, multiple lang...

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