file-type
Detect the file type of a file, stream, or data
mammoth
Convert Word documents from docx to simple HTML and Markdown
docx
Easily generate .docx files with JS/TS with a nice declarative API. Works for Node and on the Browser.
officeparser
A Node.js library to parse text out of any office file. Currently supports docx, pptx, xlsx, odt, odp, ods, pdf files.
docxtemplater
Generate docx, pptx, and xlsx from templates (Word, Powerpoint and Excel documents), from Node.js, the Browser and the command line