How to Find Duplicate Files on an iMac
To run efficiently, iMac computers should have a minimum of 10 percent of the hard drive memory free. But finding free space can be difficult. Most computer users have duplicate files--files that contain the same information--of which they aren't aware. Finding these files manually is not effective, because you would need to review the contents of each file to see if it is the same. There are computer applications for Macs that allow you to find and remove unwanted duplicate files. Removing unnecessary duplicate files frees up space on the hard disk and improves the organization of your computer.
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Instructions
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Obtain and install a duplicate file finding program such as Araxis Find Duplicate Files on your iMac. Open the program by double-clicking on the icon in the "Applications" folder.
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Add a folder or folders to be scanned to the scanning window by clicking on the "+" button in the upper right-hand corner of the window. Use the browser to locate the folder you want to scan.
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Scan the folder for duplicate files by pressing the circular arrow button on the top of the window.
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Review the files that appear in the scanning window. Press "Select Duplicate Items" to highlight all duplicate files while leaving one copy of each file alone. Press "Delete Selected Items" to remove the extra copies. Confirm this action in the onscreen prompt to complete the process.
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