User support and news updates have transitioned to the NASA Astrophysics archives that host Kepler and K2 data — the Mikulski Archive for Space Telescopes (MAST) and the NASA Exoplanet Science Institute (NExScI). Below are ways to contact them to receive help with Kepler and K2 data, as well as receive updates from each archive and where to find useful information. All user support has been transitioned to the archives.
Resources at MAST
Helpdesk: https://stsci.service-now.com/mast
E-mail: archive@stsci.edu
Kepler Homepage: https://archive.stsci.edu/missions-and-data/kepler
K2 Homepage: https://archive.stsci.edu/missions-and-data/k2
Resources at NExScI
Exoplanet Archive Helpdesk: https://exoplanetarchive.ipac.caltech.edu/cgi-bin/Helpdesk/nph-genTicketForm
General NExScI Helpdesk: http://nexsci.caltech.edu/cgi-bin/helpdesk/helpdesk.cgi
ExoFOP Support: exofop-support@ipac.caltech.edu
News sources at MAST
Newsfeed: https://archive.stsci.edu/news
MAST Accounts: Create a MyST Account to manage subscriptions.
Twitter: @MAST_News
News sources at NExScI
Newsfeed: https://exoplanetarchive.ipac.caltech.edu/docs/exonews_archive.html
Newsletter: https://lists.ipac.caltech.edu/mailman/listinfo/exoplanet-announce
Twitter: @NASAExoArchive