The Dual Boot Mac Blog

Everything you need to know to get started and a little bit more….

Formatting a USB drive.

In my beginners guide I mention that you may need to format your external USB drive to FAT32. This is a very easy process, just make sure that there is nothing on the drive that you need as it will be wiped.

  • Open a new Finder Window (CMD+N)
  • Open Macintosh HD > Applications > Utilities
  • Open Disk Utility
  • You should see a list of drives on the left of the new window
  • Click on your USB Drive so that it is highlighted
  • Options will now appear on the right of the window
  • Click on Erase at the top of the window
  • In the drop down box entitled “Format” select MS-DOS (FAT)
  • In the “Name” field you can give the drive a name if you wish
  • Click on the Erase… button
  • Click Erase when the confirmation box pops up
  • After a few seconds the process will complete.

Now the drive is FAT32 format and can be used in Windows and OSX, the only drawback is that you cannot store any single file over a size of 4GB on a FAT32 drive. You can have many smaller files, but no single file larger than 4GB.

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This entry was posted on November 15, 2012 by in Guides and tagged , , , , , , , , , , , , , .

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