Reclaim lost storage space by getting rid of the hidden files and junk that accumulates on your USB flash drive over time. Nearly everyone has a USB flash drive for portable data storage nowadays, and for the most part they work with almost any computer effortlessly. Sometimes, though, a particular brand or model will not play nice when you frequently connect it to both Windows and Mac systems. Anaconda for mac high sierra Both operating systems routinely create hidden files, and items you thought you deleted may still be there after all. After a while you might not be able to take full advantage of your flash drive’s full capacity, because these unwanted files are taking up space.

For example, if I have a 4GB drive and I only have about 1.5GB of usable data on it, I might only have about 750MB of free space left. Of course, this doesn’t quite add up to my flash drive’s full size so clearly something I can’t see is there taking up space. The first and most common way to fix this problem is to ensure your Trash has been emptied in Mac OS X. When you delete a file from your USB flash drive on a Mac, it goes to a special hidden directory on the drive and stays there until you empty the Trash. You must do this while your storage device is connected. If the previous method doesn’t help you, the next one certainly will. Follow these steps to erase and reformat your drive: 1.) If you have any important data on your USB flash drive, make sure you temporarily copy the files to your Mac’s desktop.

2.) Open up Disk Utility (Applications > Utilities) and select your flash drive on the list to the left. 3.) Choose the Erase tab near the top of the window and select MS-DOS (FAT) from the Volume Format drop-down menu. This is required if you want your drive to be Windows-compatible. 4.) Give your drive a name (keep it short with no special characters). 5.) Finally, press the Erase button and your drive will be wiped clean.

This process will give you access to your USB flash drive’s full formatted storage capacity. If you backed up the drive’s data to your desktop, you can copy it back and use it just like before — with more free space! About MacYourself MacYourself was established in July 2008 by founders (and Apple enthusiasts) Ant and Frankie P., who wanted to create a tips & tricks site geared towards the average or new Apple product user. The name itself was an accident, shouted by Frankie P. In a moment of frustration when he couldn’t think of anything clever. Immediately, a light went off in Ant’s head and he eventually convinced Frankie P.

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Jan 16, 2010  For drives above 256 MB, choose the FAT32 file system. This technique allows you to work on Mac as well as the Windows platform. Before unplugging, make sure the light is off. When in use, the flash drive shows a red or blue light. Make sure the flash drive is installed on your computer and detected by the system. USB Flash Drives; External Hard Drives. How to Format a Hard Drive For Both Windows and Mac. Windows will format the drive as exFAT and you'll be able to use the drive on both Windows.