File compressor for mac os

When you find Archive Utility, double-click the app to open it. Archive Utility will open without presenting a window; instead, there's just a set of menus that contain three important items. These two commands will work on the files and folders you select in any Finder window. The other important menu item, the one we're going to spend the most time on, is in the Archive Utility menu and is called preferences.

The Archive Utility Preferences window is broken into two sections. The upper section contains options for expanding files; the lower section contains options for compressing them.

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Save Expanded Files : You can select where you want to store expanded files on your Mac. The default location is the same folder that holds the archived file you're expanding. To change the destination for all file expansions, click the Save expanded files drop-down menu and select into. Navigate to the folder on your Mac that you want to use as the destination for all expanded files. After Expanding : You can also control what should happen with the original archive file after the files it contains are expanded.

The default action is to leave the archive file in its current location. You can use the After expanding the drop-down menu to instead move the archive file to the trash, delete the archive, or move the archive file to a folder of your choice. If you choose the last option, you'll be asked to navigate to the target folder.

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Remember, this folder will be used as the target location for all archived files that you expand. You can change your selections at any time, but it's usually simpler to select one location and stick to it.

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Reveal Expanded Item s in Finder : When checked, this option will cause the Finder to highlight the files you have expanded. This can be handy when the files in an archive don't have the names you were expecting, or at least names that are similar to what you were expecting. Keep Expanding if Possible : This box is checked by default and tells the Archive Utility to keep expanding items it finds within the archive.

This is helpful when an archive contains other archives.

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Save Archive : This drop-down menu controls where the archive file is stored after the selected files are compressed. The default is to create the archive file in the same folder where the selected files are located.

You can also select the Into option to pick a destination folder to be used for all created archives. After Archiving : Once you finish archiving files, you have some options for what to do with the original files. You can leave the files alone, which is the default option; move the files to the trash; delete the files, or move the files to a folder of your choice. Reveal Archive in Finder : When checked, this box will cause the archive file to be highlighted in the current Finder window.

By using the above options, you can control how files are compressed and expanded when you manually use the Archive Utility. Finder-based compression and expansion will always use the same default options, no matter how you set the preferences here. These preferences only apply when you launch the Archive Utility and use the Create Archive and Expand Archives commands found in the app's File menu.

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Either way, you're going to want to shrink - or compress - the files so they take up the least amount of space possible. That way, it will be easy to move your files via email, FTP, or even with an instant messaging application like iChat. In the past, Mac users had to rely on an expensive application called Stuffit to compress files and folders. That application's still around, but it's no longer necessary the way it once was.

In fact, Mac OS X has built-in features that allow you to compress - or zip - files and folders on the spot. You can also uncompress zipped files and folders - it's all built into Mac OS X.

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How much space can you save by compressing? That depends on the type of files you're trying to compress. This feature works best with medium size files - compressing lots of small files or one or two big files won't save you much space. A former ghost writer for some of Apple's most notable instructors, Cone founded Macinstruct in , a site with OS X tutorials that boasts hundreds of thousands of unique visitors per month. You can email him at: matt macinstruct. The place to learn about your Mac. Tips and tutorials for novices and experts.