System Requirements:

• macOS Mojave or Catalina

Sep 09, 2017  Many people have music in two iTunes libraries, on two different computers, and eventually decide they want to combine or merge those libraries. Here's how to do it. First, some background. ITunes stores your music and other media, and maintains several files that contain information about this content. They're found in /Music/iTunes/ ( is a.

The ultimate toolbox for Photos on your Mac

PowerPhotos works with the built-in Photos app on your Mac, providing an array of tools to help you get your photo collection in order.

Create and manage multiple libraries

Instead of being limited to putting all your photos in a single library, PowerPhotos can work with multiple Photos libraries, giving you many more options for how to organize your ever growing photo collection.

Splitting your photos between multiple libraries helps Photos open more quickly, lets you archive older photos, store some of your collection on an external hard drive, and reduce storage space used by iCloud Photo Library.

Copy photos and their metadata

You can split your library by copying albums and photos with a simple drag and drop. PowerPhotos will take care of copying the photos and retaining their metadata, including keywords, descriptions, titles, dates, and favorite status. Read more about what PowerPhotos can copy.

Merge Photos libraries

Got a whole bunch of libraries you want to consolidate into one? PowerPhotos lets you merge your libraries together while weeding out duplicate photos in the process. You will be shown a preview of what your merged library will look like before any modifications are done, to ensure your merged library looks how you want.

Find duplicate photos

It's easy to have multiple copies of the same photo creep into your photo collection over time. Use PowerPhotos to find duplicate photos in one or more libraries, view them side by side, and separate them into albums where you can easily delete them from your library.

Browse and search

Use PowerPhotos' image browser to quickly view your photos without having to open Photos itself. View detailed photo information using List View, and search for photos across all your libraries at once.

Migrate your iPhoto/Aperture libraries

If you have a lot of existing iPhoto or Aperture libraries that you want to migrate over to Photos, PowerPhotos will help automate your migrations so you don't have to spend time babysitting this lengthy process.

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Links and reviews

'PowerPhotos is an extremely useful addition as an enhancement for any Photos user trying to perform tasksthat fall outside of Photos restricted purview.' – Macworld

'PowerPhotos may lack the punch of its predecessor, [iPhoto Library Manager], but it’s indispensable for those making the transition to Photos.' – Mac|Life

Video tutorial: Remove duplicate photos in Photos for Mac – PC Classes Online

'PowerPhotos was just what I needed… Two features make it a must-have: merging multiple Photos libraries into one, and finding duplicate photos' – Bob Levitus, Houston Chronicle

To combine Photos libraries, open the source library and export the photos and videos that you want to keep. Then open the destination library (the one that you want to use as your main library) and import the photos and videos.

Free Stock Photo Libraries

Choose a photo library

Here's how to open one of the multiple photo libraries that you might have on your Mac or on a connected external drive:

1. Press and hold the Option key as you open the Photos app.
2. Select the library that you want to open, then click Choose Library.

Photos uses this library until you open a different one using the same steps.

Export photos and videos from the source library

Open the source library, then decide whether you want to export your files as unmodified originals or edited versions:

Edited versions retain their edits when you import them. The advantage is that you don't have to recreate any edits; however, these files become the destination library's originals. This means that you can't revert to their earliest pre-import version.

Unmodified originals don't show any edits that you made when they were in the source library. This gives you flexibility for later editing, but recreating your edits might take substantial work.

How to export edited versions

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1. In the Photos app, select the photos and videos that you want to export. To select multiple items, press and hold the Command key while you click. To select a group of items in order, click the first one, then press and hold the Shift key while you click the last one. This selects all of the items between the two that you clicked.
2. Choose File > Export > Export [number].
   
3. An export dialog appears.
   
   • In the Photos section, set Photo Kind to JPEG, TIFF, or PNG. JPEG recompresses your photos, which may result in smaller file sizes. TIFF and PNG files are higher fidelity and may result in larger file sizes.
   • In the Videos section, choose a Movie Quality setting. This section appears only if your selected items include videos.
   • In the Info section, select the checkboxes if you want to preserve metadata and location data in the exported files.
   • In the File Naming section, set File Name to Use File Name and set Subfolder Format to either Moment Name or None. Moment Name creates a subfolder for each Moment that's represented in your selected items. This is useful if you'd like to create an Album in the destination library for each Moment. The None option exports all of the files directly into the destination folder.
     
4. Click Export. A Finder dialog appears.
   
5. Navigate to the location where you want to save the files, such as the Desktop or an external drive. Click New Folder if you create a new folder for your exported items.
6. Click Export.

How to export unmodified originals

1. In the Photos app, then select the photos and videos that you want to export. To select multiple items, press and hold the Command key while you click. To select a group of items in order, click the first one, then press and hold the Shift key while you click the last one. This selects all of the items between the two that you clicked.
2. Choose File > Export > Export Unmodified Original.
   
3. An export dialog appears.
   
   • If your photos include IPTC metadata (such as titles or keywords) that you want to keep, select the Export IPTC as XMP checkbox.
   • Leave the File Name setting on Use File Name.
   • Next to Subfolder Format, choose Moment Name or None. Moment Name creates a subfolder for each Moment that's represented in your selected items. This is useful if you'd like to create an Album in the destination library for each Moment. The None option exports all of the files directly into the destination folder.
     
4. Click Export. A Finder dialog appears.
   
5. Navigate to the location where you want to save the files, such as the Desktop or an external drive. Click New Folder if you create a new folder for your exported items.
6. Click Export Originals.

How to import photos and videos into the destination library

Open the destination library, then drag the folder that contains your exported items into the main area that shows your other photos and videos. When a green plus sign appears on your pointer, you can release the folder.

Merge Two Photo Libraries Mac

The photos in the folder are sorted into Moments based on their creation dates and locations. The videos are sorted based on the date you exported them from the source library.

If you created subfolders when you exported the items and you want to create an Album for each subfolder, follow these steps:

1. In the Finder, open a subfolder.
2. Select all of the photos and videos within the subfolder.
3. Drag the items onto My Albums in the Photos sidebar.
4. Name the Album in the highlighted text box that appears in the sidebar.
   
5. Repeat for each subfolder.

Save space by deleting the source library

If you're sure that you've exported all of the photos and videos that you want to keep from the source library, you can delete it to save disk space on your Mac.

Stock Photo Libraries

First, open the Finder and find the source library that you want to delete. By default, photo libraries are stored in your Pictures folder. If you can't find the library, follow the steps to choose a library; the path to the selected library's location appears in the Choose Library window.

Next, move the source library to the Trash. Then choose Finder > Empty Trash to permanently delete the files.

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