Mac: how to format a USB key on mac?

You do not know what format to adopt for your USB key or simply to know how to format your USB key? Look no further, Gentide offers you this guide to learn how to format a usb key. Formatting a hard disk or a USB key involves defining how the data will be organized on the physical medium. But there are several types of formatting with each their specificities. It is therefore advisable to draw up a list of the advantages and disadvantages of each format before starting.

Tutorial: which format to choose a usb key on Mac?

The Fat32 . This format is compatible with a large number of devices: Windows or Mac computer (writing and playback), televisions, multimedia boxes or even Playstation 4. However, files can not exceed 4 GB and the total capacity of the disc can not Exceed 2TB. For obvious reasons of compatibility, this is the most used format. The NTFS . This format, owned by Microsoft , is compatible with some multimedia boxes but rarely with televisions. On a Mac, NTFS format playback is possible but not its writing.

The HFS +. This is the format specific to Mac computers. It does not impose any file size limits, but it is not compatible with the Windows environment.

The format exFat. It does not impose any file size limits and allows writing and playback on Windows and Mac computers. But it is still incompatible with some hard disks and multimedia carriers. To summarize, if you expect to limit your data transfers to computers, the exFat format seems best suited to your needs. On the other hand, if you need to use your usb key on multiple multimedia devices, the Fat32 will be compatible with the largest number of devices.

Tutorial: How to format a usb key on Mac?

It goes without saying, but first insert your USB key into your Mac. Depending on how it is already formatted, it may not appear on your desktop. If so, the easiest way is still to use the search function, and type ”  Disk Utility  .” You can also access it from the Launchpad by clicking ”  More  ” then ”  Disk Utility  ” Then open the Disk Utility to begin formatting . Then select your USB key in the left column, then click on the “Clear ” tab  at the top of the window. In the ” Format  ” drop-down menu  , choose the format of your choice, such as the Fat32 for example. Finally, validate the operation by clicking on Clear on the bottom right. Once the formatting is complete you will be able to use again your USB key and your hard disk!

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