How To Setup An External Hard Drive
You can split one physical drive into several logical drives (e.g., one Time Machine, one general storage).
While many drives come "pre-formatted," they are often set to (for Windows) or exFAT (for universal use). If your computer doesn't recognize the drive, or if you want to use it for specific features like Time Machine, you may need to reformat it. how to setup an external hard drive
If you have a drive that you want to use on both a Mac and a PC, the native formats (NTFS for Windows, APFS for Mac) won't work well together. You can split one physical drive into several
