If you have not yet done so, format the drive.Attach your external hard drive to your Mac.Steps to Move your Photos Library to an External Drive Just imagine all of your photos gone for good. This adds a little time to the whole process, but in the event that something goes wrong during the data move, you will be glad that you have that backup. As with any major modification that you will be making to your computer or storage system, we recommend that you make sure that you have a good backup of your device before proceeding. Let’s take a look at how to transfer photos from a Mac to an external hard drive. How to Move Your Photos Library to an External Hard Drive Near the end of the article, we will show you how to recover photos that may be accidentally deleted from your external hard drive. We are going to show you how to do that, as well as point you toward a few externals storage devices that will work very well as repositories for your photo libraries. What you need to do is to move photos from your Mac to an external hard drive. There is a simple solution that can be used whether you earn your living with your photos or just like to take a lot of pictures.

How to backup mac photos to icloud