By Bryce / Last Updated November 26, 2020

Can’t format flash drive in Windows Disk Management

USB flash drive is a kind of popular portable storage device. You may need to format it as you want to change its file system to store large file, make it compatible with the OS with which it will work or format it with certain file system before using. Usually, you can format USB flash drive with the wanted file system within Disk Management.

However, when you try to format 64GB or 128GB USB flash drive partition to FAT32 via Disk Management, you’ll find that there is no FAT32 option available. When you try to format the second partition on the USB flash drive, you’ll be prompted by the message – “An unexpected error has occurred. Check System Event Log for more information…” Or you may encounter an error saying that “The format did not complete successfully” when you try to format RAW partition.

Reliable flash drive format tool free download

If you are encountered a similar situation aforementioned, it's time to ask the help of a third-party trusted and powerful flash drive formatted. Here AOMEI Partition Assistant Standard is highly recommended. With a simple and intuitive graphic user interface, it is easy to use even for a green hand. With the small capacity of the installation package, it can be installed very quickly. And it is chosen for those highlights:

▶ It allows you to format a larger drive (32GB, 64GB, 128GB) to FAT32.
▶ It enables you to format or create the second partition on a removable disk, like USB flash drive.
▶ It can format RAW drive to a normal file system.
▶ It is able to format flash drive to NTFS, FAT32, exFAT, Ext2, Ext3, or Ext4.

Format flash drive in Windows within three steps

To format flash drive in Windows 10, 8, 7 with AOMEI Partition Assistant Standard, you should connect the USB flash drive to a working computer running Windows and free download AOMEI Partition Assistant Standard. Then do the following step-by-step tutorial.

Download Freeware Win 10/8.1/8/7/XP
Secure Download

Step 1. Install and run the flash drive formatter. Locate your USB flash drive, right-click the partition or one partition on it and choose “Format Partition”.

Format Partitoin

Step 2. In the small pop-up window, set the file system of your flash drive partition and click“OK”.

Fat32 128gb Usb

PS.: In this window, it is allowed to change cluster size or specify partition label.

Step 3. Return to the main interface. Confirm your operation and click“Apply”>“Proceed” to perform it.

Apply

Notes:

  • If your flash drive present as “Unallocated”, right-click the unallocated space and choose “Create Partition” to format it with a certain file system.

  • AOMEI Partition Assistant Standard can be used to format USB flash drive, SD card, solid-state drive, and hard disk drive.

Wrap things up

It is not a tough task to format flash drive in Windows 7/8/10. In many cases, you can use Disk Management to format partition on flash drive successfully. Or you can turn to this comprehensive flash drive formatter – AOMEI Partition Assistant Standard to complete formatting operation.

Actually, AOMEI Partition Assistant Standard is more than a format tool. It is featured with many other functions. For instance, it is capable of making conversion between NTFS and FAT32; it can help you to securely erase flash drive without reinstalling. Well, you can upgrade it to Professional version if you want to experience more functions like recover deleted partition on flash drive.