Export

Save the main document as a file: File › Export…, or the Export button in the preview.

The Export dialog: Format, Pages, Standard, PDF/UA-1 and Tagged PDF
Format Options
PDF Pages, a standard such as PDF/A-2b, PDF/UA-1 for accessibility, and Tagged PDF.
PNG Pages, the resolution in PPI (300 suits print), one image or one file per page, and a transparent or colored background.
SVG Pages, and one image or one file per page.
HTML Typst's experimental HTML export, for the whole document.

Pages take ranges such as 1-3, 5, 8-. Empty means all pages. PDF/UA-1 needs a document title: #set document(title: [...]).