Backup of exFAT to Time Machine

TimeMachine is not the only backup program for Macs and frankly, a single backup isn't sufficient. I use TimeMachine as one tool in my arsenal. A second is CarbonCopyCloner which can be used to make an archived clone. A clone is an exact duplicate - an archived clone keeps files that changed since the last backup - the best of both worlds. CCC also can make a bootable clone of the Mac internal drive. Using CCC I back up my boot drive and my media drive (an external) regularly. CCC will back up an exfat drive

Time Machine cannot back up to an exFAT formatted drive.

How to format a disk for Time Machine

Time Machine supports all Mac OS Extended (Journaled) formats and Xsan formats. If the disk isn't using the correct format, Time Machine prompts you to erase it when you connect it to your Mac.

Time Machine can't back up to an iOS device or disk formatted for Windows. And if your disk uses the Master Boot Record (MBR) partition scheme, some of its partitions might not be available for use with Time Machine.

Drag-copy the files you’d like to back up, or use a different backup product.

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dialabrain wrote:

Time Machine cannot back up to an exFAT formatted drive.

Actually he wants to backup an exFAT drive to Time Machine and TM can't do it.

Indeed. Time Machine cannot backup up to or from a Windows formatted drive.

If I remember correctly, it also won't back up a Boot Camp partition. Same reason.