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Chat is available Monday to Friday 
6:00 AM – 6:00 PM EST 
Chat support may not be open based on availability.


Language translation is available through Google translator in Chat for over 20 different languages.


Need Support?


Notice: If you are logging in with a DOD CAC or Northrop Grumman OneBadge and received an error that your certificates were expired, corrupted or revoked from 6/12/2020 to 6/16/2020, please clear your cache and attempt your log in again at this time. Updates have been completed to resolve this ongoing issue. If you are continuing to experience issues logging in with your certificates, please contact Customer Support for further assistance.


You can reach our Customer Support team through the creation of an online case start a chat or by calling one of the numbers listed below.

  • USA & World-Wide Phone:  +1 703-793-7800 
  • United Kingdom Phone:  0203 3007093
  • Australia: +61 2 8073 8383

If you create an online case form below, please include the Product, Issue, and a detailed description of your issue in the Message field. If you are receiving an error message, please attach a screen shot with your case to help us more quickly identify the issue.

Healthcare and Life Sciences on MyExostar
Please note that customers of the Healthcare and Life Sciences industries need to reach out to their Tier 1 support. To find the correct contact information, please click here and click on "LEARN MORE" under the appropriate industry.

Customer Support Form