How to reformat mac usb drive

But, if you plan on using an external drive with both Macs and PCs, you should format the disk with the exFAT file system instead. So how do you know if your USB drive is using the right format?

How to Format USB Flash Drive on Mac (Step-by-Step Tutorial)

In the screenshot below, the drive is formatted with the exFAT file system. Again, formatting a drive will erase it completely, so make sure you have everything backed up that you want to keep. Select the drive by clicking its name.


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Both also work with Windows PCs. APM is an older, Mac-only partition scheme. This will erase all the files on the drive! The Best Tech Newsletter Anywhere.

Active 2 years, 3 months ago. Viewed 3k times. Thank you all in advance! Hoffmann M.

Here's how to format USB on Mac

Hoffmann 56 1 1 silver badge 7 7 bronze badges. Meisch Apr 25 '17 at Hoffmann Apr 25 '17 at What about using dd to write zeros to the USB? It may be a fake.

The USB stick claims to be But it is still a cheaper one, its from "Hama". I'll add some screenshots to my post with info about dd and terminals info about the stick.

Some Known Problems using FAT32 Formatted Hard Drives with Mac OS Apps

Hoffmann Apr 26 '17 at Mark Setchell Mark Setchell k 10 10 gold badges silver badges bronze badges. Hoffmann Apr 27 '17 at I don't know if wipefs is available on Mac, but if so, it is another tool to use in this circumstance.

What You Should Do First Before Formatting USB Drive on Mac

Rankin Jul 24 '17 at Droid Teahouse Droid Teahouse 4 4 silver badges 11 11 bronze badges. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password.