The first time you back up using Time Machine, expect it to take some time. Time Machine copies nearly all of the data on your Mac. At least you can keep using your Mac while Time Machine works in ...

Today I'm going to look at how to do this using Time Machine. X. Trending. After years with Windows, I used the MacBook Air M4 for ... Going back in time with Time Machine ...

Now, let normal Time Machine backups occur on your 1TB Time Machine drive. Whenever you want to back up the 4TB drive, instead of simply plugging it in, first eject the 1TB Time Machine volume.

Now try backing up to your Windows machine (select Back Up Now from Time Machine in your menu bar). If the backup fails at this point, don't worry—we're expecting that.