How to merge large iPhoto and Photos libraries<article>
<section class="page">
<p>
Esa Ruoho has a 11,000-item iPhoto library and an Apple Photos library for OS X that comprises over 6,000 items:</p>
<p>
I just spent 6 hours combining three iPhoto Libraries (one on a MacBook Pro, one on an iMac and one on another iMac) via File Sharing between them, and the Fat Cat Software iPhoto Library Manager. So far, so good.</p><p>
However, since the goal is to push 13,000+ images to iCloud Photos, I’m not sure how to either combine an iPhoto Library and a Photos Library, or how to combine the iPhoto Library imported to a Photos Library, and a Photos Library.</p>
<p>
The good news is that this can be done. The bad news is that it takes more effort.</p><p class="jumpTag"><a href="/article/2978319/software-photography/how-to-merge-large-iphoto-and-photos-libraries.html#jump">To read this article in full or to leave a comment, please click here[/url]</p></section></article>
Source:
How to merge large iPhoto and Photos libraries