As you probably know Google+ is being shutdown at the beginning of April:
There's still time to export your content before then
Shutting down Google+ for consumer (personal) accounts on April 2, 2019 - Currents Help
January 30, 2019In December 2018, we announced our decision to shut down Google+ for consumers in April 2019 due to low usage and challenges involved in maintaining a successful product tha
support.google.com
Download your Currents data - Currents Help
You can export and download your Currents data, including your Currents circles, Communities, Streams, and Likes. Note: Downloading your Currents data does not delete your Currents profile. Learn how
support.google.com