Documents
A category of file formats covered by Format Atlas.
About this category
DOCDOC is the legacy binary document format used by older Microsoft Word versions. For new editing, DOCX is usually preferred; use PDF for view-only distribution.DOCXDOCX is the WordprocessingML document format in Office Open XML. It packages XML parts, images, styles, tables, and equations for document creation and editing.EPUBEPUB is a digital publication format commonly used for ebooks. Reflowable EPUB content adapts text flow to the reader's screen and settings.InDesign documentINDD is Adobe InDesign's native page-layout document. It stores editable page designs, text, placed objects, and styles for books, magazines, print work, and digital publications. For viewing or print delivery, export to PDF or another suitable format; linked images and fonts may need to be collected separately.MarkdownMarkdown is lightweight markup for expressing headings, links, code, and other structure in plain text. CommonMark, GitHub Flavored Markdown, and other dialects can render the same file differently.ODPODP is the OpenDocument presentation format. It can contain editable slides, shapes, images, and notes.ODTODT is the text document format defined by OpenDocument Format. Its XML-based package stores text, styles, tables, and images for document creation and editing.PDFPDF is widely used to distribute and view documents while preserving their layout. It can hold multiple pages, text, images, and graphics.PPTPPT is the legacy binary presentation format used by older Microsoft PowerPoint versions. For new work, PPTX is usually preferred; for view-only distribution, consider PDF.PPTXPPTX is an Office Open XML presentation format. It can hold editable slides, themes, shapes, images, notes, and animations.RTFRTF is a rich text format that describes character styling and paragraphs in text. It can exchange basic formatted documents, but does not preserve modern editing features or complex layouts like DOCX.TXTTXT commonly stores plain text. The extension alone does not determine character encoding, line endings, or document structure.