This application is AbiWord Linux desktop application so it inherits all its functionalities.
AbiWord is a free word processing program similar to Microsoft Word. It is suitable for a wide variety of word processing tasks. It supports both basic word processing features such as lists, indents and character formats, and more sophisticated features including tables, styles, page headers and footers, footnotes, templates, multiple views, page columns, spell checking, and grammar checking.
This app comes with several import and export filters providing a partial support for such formats as HTML, Microsoft Word (.doc), Office Open XML (.docx), OpenDocument Text (.odt), Rich Text Format (.rtf), and text documents (.txt)