On iPhone setting, go to Apple ID iCloud Photos, turn off the “iCloud Photos Library”. Restart iPhone and Mac; Reinstall macOS Catalina; Part 2: How to Import Photos from iPhone to Mac Solution 1: Get Photos from iPhone to Mac with Preview. Preview allows you to view anything on the Mac and pictures are included. Thus this is an easy.
Photos requires write permission to create a library or to migrate a library from iPhoto. You can fix this by copying the library to somewhere where you can write to, such as your /Pictures directory — the default location for photos in your home folder.
When I attempt to open iPhoto I get the message: iPhoto is unable to open this library. The library is incompatible with iPhoto. I was connecting and iPad to download photos that I had previously downloaded to iPhoto on my Macbook Pro. I have had iPhoto and the photos located therein for over 3 years and all of the sudden I'm getting this message.

(To find your Home folder, begin in the Finder and choose Go → Home.) If the short name you use to log into Mac OS X is mozart, the full path to your iPhoto Library folder from the main hard drive window would be Macintosh HD → Users → mozart → Pictures → iPhoto Library. The first move is to use Apple’s Photos library repair tool. I have all the steps needed to do this outlined in this post.Chance are, this will fix your problem. If not (and in my case it failed.

-'I upgraded to Yosemite and migrated my iPhoto library to the new Photos app. I’m happy with Photos and do not plan to go back to iPhoto. However, I’m bothered by the wired and misleading sizes reported by Finder because of the old iPhoto library. How can I delete iPhoto library without damaging my Photos library?'

-'The reason why I’m asking is because my Mac is running low on disk space, and I can free up 64GB of space on my hard drive by deleting the iPhoto library. Can anybody show me how to delete iPhoto library after moving to external hard drive?'

Mac unable to write to iphoto library photos

Most people have updated and migrated photos from iPhoto to Photos on Mac already. As a result, you will get duplicate pictures stored in iPhoto library.

Moreover, some people complain that it is quite annoying to receive notifications about iPhoto all the time. So if you have backed up important photos from iPhoto library, then you can delete iPhoto and photos duplicate right now.

Part 1: How Do I Clean Out My iPhoto Library

Just as mentioned above, once you upgrade your Mac from iPhoto to Photos, there will be a second photo library. So if you want to free up more storage space, you need to empty iPhoto library or delete it directly. For people who choose the first one, here are steps you can follow.

Step 1: Open 'Finder' and search for your iPhoto library.

Step 2: Highlight the items you want to delete.

Step 3: Right click and choose 'Show Package Contents'.

Step 4: Select multiple pictures and right click to get 'Move to Trash'.

Step 5: Empty the Trash to delete iPhoto Library after backup.

What if people just want to empty iPhoto library? If you insist on using iPhoto instead of Photos app, then you can head to iPhoto app to delete all photos in iPhoto as well.

Step 1: Launch iPhoto app and choose your unwanted photos.

Step 2: Click 'Photos' on the top tool bar.

Step 3: Select 'Move to Trash' from its drop-down list.

Step 4: Choose 'Trash' in the left panel.

Step 5: Click 'Empty Trash' and then choose 'OK' to confirm the deletion in iPhoto.

Later, you need to empty the trash bin of your Mac computer as well.

In this way, you could also use the third-party software to recover photos on Mac.

Part 2: Can I Delete the Migrated iPhoto Library

After you have migrated iPhoto pictures to Photos app, you can delete an old iPhoto library on Mac directly. There is no need to create a backup before deleting iPhoto library pictures.

However, some people worry about the security of the current Photos app. Well, it does not matter a lot. You can follow steps below to delete iPhoto library after moving to Photos safely.

Step 1: Quit iPhoto and Photos app before the process.

Step 2: Head to 'Finder' and click 'Pictures' in its left panel.

Step 3: Choose 'iPhoto Library.library' file.

Step 4: Drag and drop it to the Trash.

Step 5: Right click over “Trash” and choose 'Empty Trash'.

Where Is My Iphoto Library

As a result, you can delete iPhoto library pictures and regain Mac storage space easily. Check this post if you want to delete downloads on iPhone.

Can't Open Iphoto Library On Mac

Part 3: How Do You Permanently Delete Photos from iPhoto Library

Actually, you can run Apeaksoft Mac Cleaner to delete all duplicate photos. Moreover, this powerful program can help you find and delete all duplicate videos, documents, music and other files.

So you can clean up Mac and remove those duplicate items completely. In addition, Mac Cleaner allows users to delete any unwanted Mac data permanently, including cookies, caches and other private files.

Delete junk files, large & old files and other unwanted files off your Mac permanently.
Find and delete duplicates photos or other files on your Mac.
Uninstall any unwanted app and the associated files.
Protect your privacy and clean worthless files in one click.
Monitor your Mac performance including disk utilization, battery status, memory performance and CPU usage.

Download for Mac

How to Delete Duplicate iPhoto Library Photos on Mac Quickly

Step 1: Launch Mac Cleaner

Free download and install Mac Cleaner software. Launch this duplicate photo finder on your Mac computer. Then you can click 'Scan' in the default 'System Status' page to see the current condition of your Mac.

Step 2: Scan your duplicate photos

Click 'Similar Image Finder' under 'Tools' in the left panel. Then choose 'Scan' to start to search all duplicate photos including iPhoto library photos. Wait for a while for complete the process.

Step 3: Delete images in iPhoto library

Sort out the certain duplicate images from the drop-down 'Sort By' list on the top. Choose one photo and preview it with the detail information. Later, click the small box before the duplicate photo you want to delete. Choose 'Clean' to delete duplicate iPhoto library pictures instantly.

Part 4: FAQs of Deleting Photos from iPhoto Library

1. How to access iPhoto Library?

First, switch to 'Finder' by clicking on its Dock icon. Click 'New Finder Window' option and scroll down in your user folder and open 'Pictures' folder. Then, find the 'iPhoto Library' file, press and hold the 'Control' key while clicking on the 'iPhoto Library' file. Next, click 'Show Package Contents' option and open 'Data.noindex' folder. In this folder you can see all your photos sorted into folders by date.

2. Can I delete the duplicated photos after I convert from iPhoto to Photos?

You can handily check and delete duplicate photos on Mac. You can use the built-in Finder feature to find the duplicate photos. The Finder feature enables you to search for different kinds of duplicate Mac data like photos, document, movie, music, PDF, text, and more. Then, you can delete duplicate photos after finding them.

3. How do you transfer your iPhoto library to a new Mac?

Mac Unable To Write To Iphoto Library File

For copying iPhoto library to a new Mac, firstly, you can store your library on an external storage device, such as a USB or Thunderbolt drive formatted as APFS or Mac OS Extended. After the move is finished, eject the hard drive from your old Mac and connect it to this new one. Next, open iPhoto on the new Mac. Hold down the Option key on the keyboard, and keep the Option key held down until you are prompted to create or choose an iPhoto library.

4. How to move iPhoto library to a new location?

For a new location, just drag the iPhoto Library folder or package to its new location.

Later, restart your computer to check if those duplicated iPhoto photos have been removed or not. In additio