It bulk uploads all photos and keeps looking for new ones and uploads those too. Simply download PicBackMan (it's free!), register your account, connect to your online store and tell PicBackMan where your photos are - PicBackMan does the rest, automatically. PicBackMan is the easiest and simplest way to keep your photos safely backed up in one or more online accounts. Photos are precious memories and all of us never want to ever lose them to hard disk crashes or missing drives. Quick Tip to ensure your Photos never go missing

To enable it, open 'Photos' app for OS X, go to 'View' tab and then select 'Show Sidebar' option. If you want to see a list of all your folders and albums, then enable the 'Sidebar'. For example you want to combine two pictures just for a special effect. If you do not like to install third party tools, you can use it as a photo merge. In many cases, merging images is required during your work with MS Word document. So, if you want to merge albums in Photos for Mac, then you can select all the photos within one album and drag them into the other and then delete the first album. There are several pre-installed photo management tools on Mac, like Preview. Photos for Mac does not allow you to drag albums into each other to merge them.

But, in Photos for Mac, all iPhoto events are now albums. In iPhoto, you can merge events simply by dragging one event into another.

Merge two photos mac