Mac 911 How to format a USB thumb drive for both Mac and Windows The Mac/Windows-compatible ExFat format allows larger file sizes than the old FAT32.

If you need a USB drive that's widely compatible with different devices, you may want to format it to FAT32. Here's how to do so on Mac and PC.

This CNET TV video gives you step-by-step instructions on how to set up your external hard drive so it can be used on a Windows machine and on your Mac.

The drive will be erased with the selected format and will be usable on both Macs and Windows PCs. I’ve seen claims on the Internet that formatting these drives in the Mac OS Extended (Journaled ...

While the Mac can use a hard drive formatted for Windows, some features may be limited. So it's a good idea to format a new hard drive specifically for macOS.

If you are having trouble getting a USB flash drive or external hard drive to mount on your Mac, here are several things you can try to fix the issue.