By AOMEI / Last Updated May 25, 2020


“I’m trying to format my 64GB flash drive with the NTFS file system in Windows 10, but I find that I can’t format it to FAT32. Windows Diskpart shows the virtual disk service error that the volume size is too big. What should do to format my flash drive? Thanks in advance!”

Volume too Big

How to format partition CMD or GUI?

There are many situations that you need to solve via formatting. But how to format hard drive/flash drive? Search on the Internet, you will find that many computer users choose Diskpart or GUI formatting tool to format partition to FAT32, NTFS, exFAT, etc.

Format partition with CMD:

If the capacity of the storage drive you want to format is smaller than 32GB, you can follow this guide to format it to FAT32. Let’s see the example of formatting NTFS to FAT32 via CMD:

1. Open the command prompt by typing “CMD” at the search box, right click the program and select Run as Administrator.

2. At the command prompt Window, input the following commands and hit “Enter” after each command.


list volume

select volume n (here “n” is the disk number of the drive you want to format.)

format fs=fat32 quick label=test (here if you need to format your storage drive to other file system like exFAT, replace the command with”format fs=exfat quick label=test”.)


Tips: you can change the “test” into any label you like, e.g. “label=Data”.

Format partition with GUI formatting tool

For most computer users, format partition by using CMD can be a complex process. For users who are not aware of the command line, a wrong command can lead to irreparable errors. Besides, if the storage drive you want to format is larger than 32GB, you cannot use CMD to format it. In these cases, turn to the best GUI formatting tool such as AOMEI Partition Assistant can be a good choice. AOMEI Partition Assistant provides you many powerful features such as format partition. And you can use it to format partition easily and effectively. Format partition can help you to solve many problems like current read only state yes and cannot format flash drive.

The specific steps of format partition in Windows 10 with this free GUI formatting software are as follow:

First of all, you should find the free GUI format download.

Step 1.Install and run AOMEI Partition Assistant. Find the storage drive you want to format and right click the partition to select “Format Partition”.

Format Partition

Step 2. In the pop-up window, choose the FAT32 file system. And you can specify “Cluster Size” under the file system if you need to. And then click “OK” to continue.

Select File System

Step 3. After that, it will go back to the main interface. Preview the changes and click “Apply” > “Proceed” to complete the operation.

Apply Proceed


Follow these simple steps, you can easily and effectively format the storage drive to the file system you need. AOMEI Partition Assistant can be the best GUI formatting tool. Besides format partition, it also has many other useful functions like create/resize/delete partitions, migrate OS to SSD, rebuilt MBR, NTFS to FAT32 converter and so on. If you meet the problem like c drive full Windows 10/8/7, you can upgrade to AOMEI Partition Assistant Professional to solve this problem.