If you want to import a content manually, see Import Word, Rich Text, HTML, Open Document Text, Markdown and more. We currently support:
Word (.docx)
Rich Text Format (.rtf)
HTML (.htm, .html)
MediaWiki (.mediawiki, .wiki)
Open Document Text (.odt)
Markdown (.md, .markdown, .gfm)
LaTeX (.tex, .latex)
DokuWiki (.dokuwiki)
ZIP archives (for multiple files of supported formats)
Phonemos also supports various sources for mass imports and data migrations: