ExFAT format disk using diskpart
This is an EXAMPLE of how to ExFAT format disk using diskpart in a command prompt as Administrator:
C:\>diskpart Microsoft DiskPart version 10.0.16299.15 Copyright (C) Microsoft Corporation. On computer: Computer1 DISKPART> list disk Disk ### Status Size Free Dyn Gpt -------- ------------- ------- ------- --- --- Disk 0 Online 233 GB 0 B * Disk 1 Online 931 GB 0 B Disk 2 No Media 0 B 0 B DISKPART> select disk 1 Disk 1 is now the selected disk. DISKPART> clean DiskPart succeeded in cleaning the disk. DISKPART> list disk Disk ### Status Size Free Dyn Gpt -------- ------------- ------- ------- --- --- Disk 0 Online 233 GB 0 B * * Disk 1 Online 931 GB 931 GB Disk 2 No Media 0 B 0 B DISKPART> create partition primary DiskPart succeeded in creating the specified partition. DISKPART> active DiskPart marked the current partition as active. DISKPART> filesystems Current File System Type : RAW Allocation Unit Size : 512 Flags : 00000000 File Systems Supported for Formatting Type : NTFS (Default) Allocation Unit Sizes: 512, 1024, 2048, 4096 (Default), 8192, 16K, 32K, 64K, 128K, 256K, 512K, 1024K, 2048K Type : exFAT Allocation Unit Sizes: 64K, 128K, 256K (Default), 512K, 1024K, 2048K, 4096K, 8192K, 16384K, 32768K DISKPART> format fs=exfat label="DRIVE LABEL HERE" unit=32K quick 100 percent completed DiskPart successfully formatted the volume. DISKPART> assign letter=d DiskPart successfully assigned the drive letter or mount point. DISKPART>