How to format usb key on macbook

If you want to insure full Mac compatibility of a new external hard drive or flash disk, you'll want to format the drive to the Mac OS Extended. Nowadays, when you buy a USB drive, you can use it right out of the box with your Mac. However, unless it's been designed for use with a Mac. RELATED: What File System Should I Use for My USB Drive? To format a drive on a Mac, you'll need the built-in Disk Utility application.

WARNING: Please back up all your data before you format the USB drive. If your Integral USB has a security or zip software pre-loaded (Integral Splash, Secure. Sometimes you need to format (completely erase) an USB stick to restore it to its full capacity. Here's how to format an USB stick on a Mac. Not every flash drive out there can be used with a Mac computer right out of the box. Some flash drives have to be formatted first before you can.

To erase and format any drive connected to a Mac computer running OS X Yosemite, use Disk Utility. Simply erasing a USB drive in Disk Utility will automatically. To format a USB Flash Drive to FAT32 in Mac OS X follow the next steps. Step1. Connect the USB Fash Drive to the Mac OS X computer. Step2. Now, instead of having a full capacity of my drive, I get a 6 GB. So, I tried to use the Disk Utility to erase the whole USB drive but it does not work.