Confluence
Underline the selected text
Press Ctrl + U to underline the selected text in Confluence. It is listed for Windows, and no Mac version is documented here. It works in the browser version.
Where it works: Editing a page
Atlassian's two help pages give different Mac keys for this, so no Mac keys are shown until that is settled.
Where this comes from
Keyboard shortcuts and autocomplete - Confluence Cloud - Atlassian Support
Documentation checked on 2026-09-14. That is a documentation review, not a test run inside the application.