As with any cloud service, ensure you have a reliable local backup

Using multiple libraries in Photos

Photos for Mac: System Photo Library overview When you first use Photos, you create a new library or select the library that you want to use. This library automatically becomes your System Photo Library. Although you can use multiple photo libraries in Photos, the...

read more

Photos for Mac: System Photo Library overview

You can create additional photo libraries to organize your photos, albums, and projects (such as books, cards, and calendars), and then switch between the libraries. For example, you could keep separate libraries for personal photos and work photos. Or, if you have...

read more

iCloud Photo Library

iCloud Photo Library works seamlessly with the Photos app to keep your photos and videos securely stored in iCloud and up to date on your iPhone, iPad, iPod touch, Mac, Apple TV, and Here's how it works iCloud Photo Library automatically keeps every photo...

read more