Listen, they called the ship Integrity, not Availability; what do you want from a government contract?

https://www.404media.co/artemis-2-astronauts-microsoft-outlook-livestream/

Artemis II Astronauts Have ‘Two Microsoft Outlooks’ and Neither Work

In space, no one can hear you scream at Microsoft’s legacy software.

404 Media
@mttaggart with zero Outlooks it would have worked.