Enter a preamble that defines how special text should be formatted in your bibliography using Element → New element → New preamble menu item or Main Toolbar.

Choose an entry encoding using Encoding item in Save as dialog or on the File Settings panel.

Enter comments that are not taken in regard by BibT_EX using Element → New element → New comment menu item or Main Toolbar.

Preview and save bibliography entries in various formats (Source (BibT_EX), Source (RIS), Wikipedia, standard (XML/XSLT), fancy (XML/XSLT), and abstract-only (XML/XSLT)) using Reference Preview panel. Additional preview styles become available when bibtex2html is installed.

Search for the bibliography entries data in online databases using Online Search panel.

View local or remote (online) resources (such as files) linked in the BibT_EX entry using Document Preview panel.

Find and fix duplicate entries in bibliography using Edit → Find Duplicates menu item or Main Toolbar.

Import your Zotero library using Zotero panel.