# What formats are supported for uploading e-books?

<div data-elink-language-switch="1" id="bkmrk-%E4%B8%AD%E6%96%87" style="border:1px solid #d6d9de;border-radius:6px;padding:10px 12px;margin:0 0 18px 0;background:#f8fafc;font-size:14px;">[中文](/books/250cf/page/950a4)</div><span style="font-family:'Microsoft YaHei', '微软雅黑';white-space:pre-wrap;background-color:rgb(255,255,255);font-size:14px;">E-books support PDF and EPUB formats. Currently, PDF e-books do not support the functions of highlighting and theme switching.</span>