RISE 360

I am a 20 year video editor and primarily Articulate 360 user. I have just started using RISE 360 for a project. I understand that  RISE is an app and does not live on the computer.  I am using RISE but it does not save my work so I come back later and complete the project. It may be operator malfunction on my part. But I can't  figure out why it is not saving my project. I hope this is the right place to get a response.