Simplify the following text for a Grade 8 native English-speaking person.
Original: Writer is capable of opening and saving documents in a number of formats , including the OASIS Open Document Format 1.1 ( its default format ) , Microsoft Word 's DOC , DOCX , RTF and XHTML .
Simplified: Writer can open and save documents in a lot of formats , including the OASIS Open Document Format 1.1 , Microsoft Word 's DOC , RTF and XHTML .