Tools For Reading A Photos Library On Mac

I've had a multi-Mac household pretty much since college, rocking a laptop and desktop in addition to miscellaneous iOS devices throughout the years. Dropbox and iCloud sync made most of the pains of using several Macs disappear, but iPhoto was always a problem. My laptop is tiny! My iPhoto library, not so much.

Thankfully, Photos for Mac — paired with iCloud Photo Library's Optimize Storage feature — makes working with and syncing multiple Macs a breeze. Here's how you can do it.

How to use Photos and iCloud Photo Library with multiple Macs

Apr 22, 2015 How to use multiple photo libraries with Photos for Mac. Photos for Mac lets you work with multiple libraries. Learn how to choose a default library, open another library, and merge multiple. Mar 22, 2017 The OverDrive Read app on Mac is actually a web browser supported software program, but it's on this list because it is the officially supported app for borrowing books from public libraries. Although you have to access the OverDrive Read on Mac from a web browser, you can download content for offline reading, listening, or watching. Mar 18, 2020 Your Photos library holds all your photos, albums, slideshows, and print projects. If your library is large, and you want to free up storage space on your Mac, turn on iCloud Photo Library and use Optimize Mac Storage, or move your library to an external drive. Before you start, be sure to back up your library. Mar 13, 2020 OSXPhotos provides the ability to interact with and query Apple's Photos.app library database on MacOS. Using this package you can query the Photos database for information about the photos stored in a Photos library on your Mac-for example, file name, file path, and metadata such as keywords/tags, persons/faces, albums, etc. Nov 12, 2019 Assuming you use Photos or iPhoto as your Mac image library app, then the library may hold the only copy of every photo you've ever taken with a digital camera or your smartphone. Your image library should probably have its own dedicated backup method in addition to Time Machine to ensure that one-of-a-kind photos are retained for the long term. There’s no tool in iPhoto or Photos for merging libraries, and you can only import photos and folders of photos from within Photos. You have a few different paths to take, although you will lose.

Mac Photo Library Management

Here's a quick, simple breakdown on setting up your Macs to support Photos and iCloud Photo Library.

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I recommend starting with your biggest iPhoto library; it'll usually be on your desktop Mac. When you open Photos for the first time, your library should import automatically; if it prompts you to create a new library, your Photos library may be stored in another location on your Mac, and you may need to manually open it.

Once you've imported your biggest library on your Mac, make sure iCloud Photo Library is turned on and syncing. You can do this by following these steps:

Launch Photos on your Mac.
Click Photos in the menu bar.
Select Preferences (or do this quicker by pressing ⌘,).
Source: iMore
Click on the iCloud tab.
Source: iMore
Check off the box for iCloud Photos.
- You can also check off the box for Download Originals to this Mac if you have the space.
- You can check off Optimize Mac Storage to save space on your Mac by only saving a percentage of images and video locally — the rest will be thumbnails that you can click on to download when you want to.
Source: iMore

Now, open your other Mac, and launch Photos. If you have an iPhoto library on that secondary Mac, follow the same steps as above — import your library, then turn on iCloud Photo Library. If you have duplicates of the same photo on each computer, iCloud should automatically resolve those conflicts when it syncs, providing you with just one version of your photos when the sync process finishes.

If you don't have an iPhoto library on your secondary Mac, create a new library in Photos and turn on iCloud Photo Library. If you want to save storage space on this secondary Mac, make sure Optimize Mac Storage is selected: This will save a certain percentage of images and video locally to your device, while providing thumbnails of all the others for you to download at your leisure.

After you've set up all your Macs with Photos and the sync process has finished, you're now good to go. From here on out, any time you add photos, they'll sync to every computer you've set up with Photos.

What syncs, what doesn't sync

Photos for Mac syncs a lot more than just your original photos and videos. According to a support document on Apple.com, here's what else you should expect to see sync:

All folders and albums
Smart Albums
Keywords
Memories
Searchable keywords
Key photo selections

There are a few things iCloud Photo Library won't sync, however. Here's Apple's list:

Books, cards, calendars, and slideshows
Keyword shortcuts
Unused keywords
Last imported album on the Mac in question
Names and faces in the People album

For those not using iCloud Photo Library

If you've chosen not to enable iCloud Photo Library, Apple still offers you free syncing of your last 1000 photos via My Photo Stream, which doesn't count toward your iCloud disk space.

This will sync and download images you've imported or taken on other devices, but you won't have the option to optimize your storage or sync your albums.

Octoober 2019: Updated for macOS Catalina.

Serenity Caldwell contributed to an earlier version of this guide.

macOS Catalina

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With the upgrade to Photos, many Mac users have been left with a duplicate iPhoto library on their Macs. Here’s how to delete iPhoto library and clear out some clutter.

iPhoto used to be the standard photo editor and photo management system on Macs, at least for the average computer user. Like it or not, however, that all changed when Apple first introduced the software, nearly a year ago. If your Mac came from Apple with Photos already installed, you don’t need to worry about old iPhoto libraries.

A Mac that was upgraded to a new version of OS X that added the Photos app, however, can end up with what look like duplicates of their photo libraries. The first time you start up Photos after upgrading, your Mac will copy over your photo library into the new software (if you explicitly set up more than one old iPhoto library, you’ll have to copy them over yourself). It doesn’t go back and delete the old one, though.

Here’s where things get a little bit confusing: you don’t actually have two copies of your photos. Thanks to the way OS X (the software that powers your Mac, like Windows powers a PC) works, your pictures aren’t actually stored in those libraries. Instead, they’re stored somewhere else on your hard drive, and each library has what Apple calls a “hard link” to the pictures. As a result, each library can access the photos, but store separate information about them. You can delete either library safely; only if you were to delete both libraries would you lose access to your pictures.

While having a second copy of your photo library doesn’t take up that much extra space on your computer, it can still be confusing – first of all, each library reports that it’s a certain size, which can make it difficult to figure out how much room is left on your Mac. Additionally, if you need to back things up, it can be hard to figure out where your files are.

Still with us? Let’s recap:

if you upgrade your Mac from iPhoto to Photos, you’ll get a second photo library
if you had multiple iPhoto libraries (you would know if you did), you’ll need to copy them into Photos manually
the libraries each link to a single copy of your photos, rather than storing each photo twice
it can appear that your libraries are taking up more space than they are, thanks to the way hard links work
you can safely delete either photo library – only if you delete both of them will you lose access to your photos

How to delete iPhoto library on your Mac

Now that you understand why you might want to delete an old iPhoto library, and why you don’t necessarily have to, let’s talk about how to actually do it.

Before you do anything like this on your Mac – that is, delete something potentially important – you should back up your software with something like Time Machine.

It’ll scan your Mac for junk applications and remove them for you. How to Remove Built-in System Apps. Macs also have no way to uninstall or install operating system features, so there’s no way to easily remove the many applications Apple included with your Mac. Jan 12, 2020 The Library folder contains many of the resources that installed applications need to use, including application preferences, application support documents, plug-in folders, and ever since OS X Lion, the files that describe the saved state of applications. Jul 24, 2015 The ways mentioned above include navigating your Mac’s in search of the apps you want to remove and then locating their remaining data. The latter can take even more place than the app itself and can be stored anywhere in your folders. I prefer clearing my Mac from apps using a special software made for this particular task - CleanMyMac X. Removed apps folder. Summary: This post describes easy ways to remove / delete Mac leftover files. One of the best tools to remove Mac leftover files and other unwanted apps and large files from Mac is Stellar SpeedUp Mac. Uninstalling programs and applications from a computer is quite common and rather straightforward.

Read: How to Backup Your Mac with Time Machine

That way, if you accidentally delete something important, or something else goes wrong, you can always roll things back to how they were when you started. This is really easy, and there’s nothing to be concerned about; it’s just good practice to back things up (and keep them backed up) before you muck about in your computer.

First, you’ll need to open a Finder window: you can do this by clicking on the Finder icon (it looks like a square face) on the dock, or by clicking on your Mac’s desktop background and hitting ⌘+N (Command + N) on your keyboard.

Next, look at the left-hand column in the new window. You’ll see a list of locations around your Mac; find the one that says Pictures and click on it. You’ll be taken to that directory, which contains libraries for Apple’s image-related apps (Photos, iPhoto, Photo Booth, etc).

In the list of files on the right, scroll down and look for your iPhoto library – it’ll be a little iPhoto icon, and the name will read, unsurprisingly, iPhoto Library. Don’t worry about accidentally deleting your Photo Booth or Photos libraries; you’ll be able to see which one is which.

To actually delete the library, you can do one of three things:

Click on the iPhoto Library listing, and without letting go of your mouse or trackpad button, drag it until it’s over top the Trash icon on your dock. Once you’re on top of the Trash, let go.
You can select (click on) the iPhoto Library, then right-click on your mouse or Trackpad (Apple will call this Secondary Click in your Mouse or Trackpad settings). A new menu will pop up; find the entry that says Move to Trash and click on it.
Finally, you can also delete your iPhoto Library by clicking on it and hitting ⌘+Delete (Command + Delete) on your keyboard.

Read: How to uninstall apps on Mac OS X