How to Format SD Card to FAT32 in Windows 10?

April 1, 2017

Here you can learn the easiest way to format SD card to FAT32 in Windows 10. The AOMEI Partition Assistant will help you format SD card successfully in a few simple steps.



I bought a 16GB Micro SD card recently, and I wanted to format it to FAT32. So I connected it to my Windows 10 computer and tried to format it. I can view it on my computer, and I can work smoothly. However, when I formatted it, I get an error message saying 'The disk is write-protected'.

Format Write Protected

It gave me a hint that I should remove the write-protection or use another disk. Unfortunately, I don’t know how to do it. Is there any method that I can use to format SD card in Windows 10 successfully?”

How to relieve the write protection?

If you meet the problem like the description of the Scenario when you are trying to format SD card in Windows 10/8/7, you need to remove the write protection on the SD card at first, so that you can format SD card with your Windows 10 computer. Here provides you two ways to release your SD card with write protection.

  1. Check whether the memory card has a lock. For some SD card, it has been locked to prevent it being formatted. If you used micro-SD card, you need to insert it to your computer with an SD card adapter, which may have a lock switch on the upper left or right side to protect the data safe. You just need to switch off it, and you can format the SD card easily.

  2. Some virus may cause the write-protected error, for that, you can use an antivirus software to make a full scan of your SD card. if there does have any virus, you need to kill the virus first, so that you can format the SD card easily.

Then, you’d better use some third party software to format SD card in Windows 10.

Third party software for Windows 10 format SD card

Fortunately, there has a partition manage software, AOMEI Partition Assistant, that can help you format SD card in a simple few steps.

Step1. Connect your SD card to your Windows 10 computer. Install and launch AOMEI Partition Assistant. To format SD card to FAT32, here you can right click the SD card, select Format Partition.

Format Partition

Step2. Then, it will pop up a small window that you can set up for your format. Here you need to select FAT32 in the File System.

Choose FAT32


The Format operation will delete all data on the SD card, so if there is some important data on it, you can use AOMEI Backupper to backup them first.

Step3. Then, you will back to the main interface. And you can see that your SD card has already been formatted into FAT32. Click Apply, and it will execute the task immediately.


It will only take a few minutes to finish the task.

AOMEI Partition Assistant is a great powerful partition manager. It can also format hard drive larger than 32GB to FAT32, like format 3TB hard drive to FAT32. If you are trying to change your hard drive from NTFS to FAT32, AOMEI Partition Assistant supports you to convert NTFS to FAT32 without losing data. Besides, it has so many basic functions such as resize partition, create partition, merge partitions, split partition, etc. You can download its free edition AOMEI Partition Assistant Standard to have a try. If you are Windows Server users, the AOMEI Partition Assistant Server is suitable for you.