> For the complete documentation index, see [llms.txt](https://docs.crewcost.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.crewcost.com/documentation/security-and-team-settings/set-up-multi-factor-authentication-mfa.md).

# Set Up Multi-Factor Authentication (MFA)