How do I import pictures using the Photos app in Mac?

You can import pictures from the Photos app in Mac to Sync.

Here's how:

1. Open the Photos app and select 'Photos' at the top left

2. Select all photos you wish to upload (Command+A or go to the Edit Menu, choose Select All)

3. Click on File

4. Select Export

5. Choose Export x Photos (where x will be the number of photos selected)

6. Click Export

7. Navigate to the Sync folder from the Finder sidebar

8. Click Export