Replace “1” with the partition number of the target 32GB partition on the SD card. Replace “K” with the preferred letter of the drive. Type assign letter=K and press Enter to set a drive letter for the partition. Type create partition primary size=32768 and press Enter to create a 32GB partition on the SD card. Replace “1” with the disk number of the target SD card. Type list disk in Command Prompt window, and press Enter. Type diskpart in Command Prompt window, and press Enter to open Diskpart. Click Start, type cmd, right-click Command Prompt and select Run as administrator to open Command Prompt. Therefore, you need to resize the 64GB SD card to two 32GB partitions first before you can format it to FAT32.

If you use Diskpart to format a 64GB SD card to FAT32, you will get an error message “ Virtual Disk Service error: The volume size is too big”. Note: Windows Diskpart utility can’t format an SD card that is larger than 32GB to FAT32 directly. Then you can Apply button at the bottom-left corner to fast format the 64GB SD card or any other capacity SD card to FAT32 format. In the pop-up Format Partition window, select FAT32 format next to File System. Next, right-click the partition on the 64GB SD card and select Format option. Launch MiniTool Partition Wizard after you install it on your Windows 10 computer. You might need an SD card adapter to connect the micro SD card to PC. Use an SD card reader to connect the 64GB SD card to your computer. For example, you can use MiniTool Partition Wizard to create, delete, copy, extend, resize, merge, split, wipe partitions, convert disk or partition format, check and repair disk errors, analyze disk space, migrate OS to SSD/HDD, clone disk, test hard drive speed, and more. What’s more, this free SD card formatter also provides many other disk management features. Then use it to format an SD card, micro SD card, USB flash drive, external hard drive, etc. You can fast download and install MiniTool Partition Wizard on your Windows 10 computer. MiniTool Partition Wizard is a free disk management tool for Windows. Format SD Card to FAT32 with MiniTool Partition Wizard How to Format a 64GB SD Card to FAT32 for Free – 3 Ways

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