It allows the Mac to read and write to a Windows PC NTFS formatted external hard drive.

But when you plug it into your Mac you find you can read the documents on it.

But when you try to copy a file from the Mac to the external drive it says no.

Because youll loose all the documents and files that are on it.

You can choose the best method you think will works for you.

An external hard drive that when you plug it into your Windows PC it says no way.

Which computer are you planning to use the external hard drive the most on 2.

Software Solutions Finding a Free Software Fix Paid Software Solutions 2.

Hardware solution Buy a 2nd External Hard Drive And What Do you Do with the Spare External Hard Drive When Youre Done Loan a Drive Last Words.

It interprets what is on the external hard drive so that your Mac or PC can read and write to the drive.

This allows you to have your documents set up so that both computers can use them without you loosing any data.

There are different sorts of file systems.

The one your Windows PC writes on the drive by default and the one your Mac writes are different.

The faster SSD drives on a Mac may well use an APFS file system.

Then you can check the drives properties if youre not sure what file system it uses.

Then you just need to fix the issue on the Mac for the odd time you need to use the drive there.

You just need to fix the issue on the Windows PC for the short time youll use the external hard drive there.

Then youd be better off with your documents on your hard drive in a format both computers can read freely.

Reformat My Passport Ultra 1Tb Hard Drive Upgrade The Operating

Each time you upgrade the operating system on your Mac (if you have bought it for a Mac).

Reformat My Passport Ultra 1Tb Hard Drive Software Is Compatible

Youll need to check that the software is compatible with the new operating system.

And check its compatible with your model of Seagate external hard drive.

That allows you to test out the Paragon software and make sure its for you and your particular set up.

APFS for Windows This piece of software sits on the Windows PC and allows it to read the Macs APFS drives.

HFS for Windows Sits on the Windows PC and allows it to read HFS formatted external hard drives.