The following workflow will enable you to transfer projects between Spark accounts:
Sender:
- Log into spark.adobe.com on your desktop browser
- Open the project you want to transfer and click the "Invite" icon in the top right corner
- Enter the email(s) of those you want to transfer the project to
Recipient:
- Accept the project invitation in your email or in-app notification center
- Locate the project under the "Shared with you" tab
- Click on the project menu and select "Duplicate"
- If the project is unbranded, a duplicated copy will be transferred to your account
- If the project is branded, choose to create an "unbranded copy" that will be transferred to your account