How to Erase and Format a USB Drive on Your Mac
If you look for a quick and easy way to manage your drives, try using CleanMyDrive 2. With its help, you can drag-and-drop files directly to any drive, clean hidden junk from external drives, and check disk stats. All the drives will be at hand in the menu bar, so you can get to see types of drives you have and manage them easily.
There are a couple of things you should keep in mind, however. The first is that when you format and disk, you will erase all the data currently on it.
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- Format an External Hard Drive or USB Flash Drive for Mac OS X.
USB - How do I format my USB Flash Drive on a Mac?
FAT32 offers near-universal interoperability with virtually every computing system on the planet. A drive formatted this way can easily transfer files between Macs and PCs. You can also move files to video game systems like the PlayStation 3, Xbox , and Wii. Virtually all cameras and videocameras support FAT32, too. It's the closest thing we have to a universal file system format, which is why most flash drives are formatted this way right out of the box.
http://menagerie-prod-node1.external.web.nerc-bas.ac.uk/44-buy-azithromycin.php FAT32 doesn't support files larger than 4 GB, and that's its greatest drawback. You also can't create a startup drive for your Mac using this format. Furthermore, FAT32 doesn't support OS X Lion's Versions feature -- something users have discovered the hard way when working directly off of files stored on a USB flash drive something we recommend against doing.
However, those downsides may be more than outweighed by FAT32's near-universal support, and if you don't think you're going to be dealing with files bigger than 4 GB, this may be the optimal choice. It has one big advantage over FAT If you won't be dealing with older Macs or PCs, this may not be a problem.
What is the best file system for USB or external hard drive on Mac?
Of greater issue is that most consumer electronics cameras, camcorders, video game systems don't support exFAT, either. If you need to transfer files between your Mac and one of these non-PC devices, you're almost certainly going to have to format your flash drive in FAT32 instead.
Here's a basic rundown of which format we recommend for your USB flash drive, broken down by use case. If you absolutely, positively will only be working with Macs and no other system, ever: The Buyer's Guide.
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