

So, in the circumstances where you still wish to delete the EFI partition, what can you do? How to delete the EFI system partition in Windows 10?Īs we mentioned above, the EFI partition is essential if you want to be able to boot up the operating system that you have installed on your internal hard drive. In order to protect the EFI partition, Windows will attempt to prevent you from deleting it.

You normally can't view the EFI partition through File Explorer (or Finder for Mac OSX) as it doesn't have a drive letter and if you accidentally manage to find and delete the partition, then your system will be unbootable. Both Windows and Mac operating systems are supported.

If your hard drive is in the GUID Partition table (GPT) partition style, it will automatically generate an EFI system partition after you have installed your operating systems. The EFI system partition (ESP), a small partition formatted with FAT32, is usually around 100MB, this is where the EFI boot loaders and applications used by the firmware at system during start-up are stored.
