Format USB Flash Drive to FAT/FAT16 (not FAT32)

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Introduction: Format USB Flash Drive to FAT/FAT16 (not FAT32)

Format USB flash drive to FAT when there is no FAT option on format window.

Step 1: Why There Is No FAT Option on Format Window.

When you need to format your USB to FAT/FAT16 because your device (like DVD player or digital decoder etc) only support FAT file systems. But there is no option FAT on format window, so you cant change it to FAT. So why it happened?

Because your USB size is more than MAX Volume size of FAT.

FAT/FAT16: Max volume size 4GB, Max file size 2GB.

FAT32: Max volume size 2TB, Max file size 4GB.

exFAT: Max volume size 128PB, Max file size 16EB.

It mean if your USB flash drive is 8GB or more, it will not support FAT format.

So what you need is resize it to 4GB.

Step 2: Use DISKPART to Resize USB

Put your USB on.

Press Window+R to open Run.

DISKPART ↵

DISKPART> list disk ↵

Disk ### Status Size Free Dyn Gpt

-------- ---------- ------- ------- --- ---

Disk 0 Online 40 GB 0 B

Disk 1 Online 7538 MB 0 B

#Your USB is Disk 1 (7538 MB) ,select it:

DISKPART> select disk 1 ↵

Disk 1 is now the selected disk.

DISKPART> list part

Partition ### Type Size Offset

------------- ---------------- ------- -------

Partition 1 Primary 500 MB 1024 KB

DISKPART> clean ↵

DiskPart succeeded in cleaning the disk.

# resize USB to 4000MB

DISKPART> create part primary size=4000

DiskPart succeeded in creating the specified partition.

DISKPART> active ↵

DiskPart marked the current partition as active.

Close window then Format again. You will see FAT option there.

Step 3: Change Back to Default Size.

Now your USB is 3.9GB. To change it back to original size do this.

Open DISKPART

DISKPART> list disk ↵

DISKPART> select disk 1 ↵

DISKPART> list partition ↵

DISKPART> clean ↵

DISKPART> list partition ↵

DISKPART> create partition primary ↵

DISKPART> list partition ↵

DISKPART> format fs=fat32 quick ↵

DISKPART> list partition ↵

exit ↵

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    13 Comments

    0
    milcycles
    milcycles

    Question 10 months ago on Step 2

    HI - my dvd player wants me to use a USB drive formatted FAT "up to 32 Gb" to update the firmware. Can I use this workaround safely? I'm worred the update needs more than 4Gb storage space so will get stuck/crash.

    0
    dantepro195
    dantepro195

    Answer 10 months ago

    Did you try to use a fat32 USB?
    And can you upload the whole message when you try to update?

    0
    milcycles
    milcycles

    Reply 10 months ago

    I haven't tried yet - am worried about the old software coming off and the new not going on! (Making the machine a brick). The downloaded software is only 100mb.

    0
    dantepro195
    dantepro195

    Reply 10 months ago

    I think you should try using fat32 usb, if it does not work then format to fat and try again. Don't worry too much. The software update usually have backup plan if something wrong occur.

    0
    louisvz
    louisvz

    1 year ago

    Great work - perfect!!!

    0
    Siravijbb
    Siravijbb

    1 year ago

    WOW I love it,finally i can use my old camera

    0
    DerekN20
    DerekN20

    2 years ago

    Thank you soo much :DD

    0
    PraveenS86
    PraveenS86

    3 years ago

    Its very great information & thank you very much for clear instruction :)

    0
    kmc21
    kmc21

    3 years ago

    Great tut :)

    0
    Mohd KhairilH
    Mohd KhairilH

    3 years ago

    Thanks.. You instructions very clear and help me get FAT file... Thanks again.. :-)

    0
    KevinD294
    KevinD294

    3 years ago

    Thanks - this worked great!

    0
    kolkoli
    kolkoli

    4 years ago

    how to fix usb drive 'write protection'??