Use the Mimeo Photos Import Service to purchase projects that you created with older versions of Apple iPhoto/Photos.
To export your Apple Photos Project Print Ready PDF
While in your project, hold the option key and click on the Buy Book option in the top right hand corner.
OR If you have already upgraded to macOS Mojave 10.14 (Photos 4). In the top right hand corner of the Apple Photos window, click Export PDF and Export to PDF in Mojave.
Upload your Print Ready PDF
Navigate to https://import.mimeophotos.com
Drag and drop your Print Ready PDF or click Upload Print-Ready PDF
3. Follow the remaining prompts to purchase your project
4. After the upload process is completed, simply provide shipping and payment details and click Submit
5. You will receive an email order confirmation once complete