13.9.1 HTML export commands
C-c C-e h h (org-html-export-to-html)​
Export as HTML file with a ‘.html’ extension. For ‘myfile.org’, Org exports to ‘myfile.html’, overwriting without warning. {{{kbd{C-c C-e h o)}}} exports to HTML and opens it in a web browser.
C-c C-e h H (org-html-export-as-html)​
Exports to a temporary buffer. Does not create a file.