PDFdocuments
Fixed-layout document format for reliable sharing, printing, and long-term records.
DOC Category
Documents
Word processors, spreadsheets, presentations, plain text, and page-layout files.
5 formats, 7 extensions, 4 comparisons, and 6 guides.
Formats
DOCXdocuments
Word processing format designed for editing, collaboration, and Microsoft Office.
.docx · application/vnd.openxmlformats-officedocument.wordprocessingml.document
ODTdocuments
Open-standard word processor format supported by LibreOffice and most office suites.
.odt · application/vnd.oasis.opendocument.text
Markdowndocuments
Plain-text formatting language that is readable, version-controllable, and universally editable.
.md .markdown · text/markdown
XLSXdocuments
Standard spreadsheet format for formulas, tables, charts, and multi-sheet workbooks.
.xlsx · application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Extensions
.pdfSafe
Portable Document Format, a universal layout-preserving document format.
Compatible Apps
Adobe Acrobat Reader, Microsoft Edge, Apple Preview, Google Chrome
.docxSafe
Microsoft Word Open XML document format used for editable text documents.
Compatible Apps
Microsoft Word, Google Docs, LibreOffice Writer, Apple Pages
.xlsxCaution
Microsoft Excel Open XML workbook for spreadsheets, formulas, and charts.
Compatible Apps
Microsoft Excel, Google Sheets, LibreOffice Calc, Apple Numbers
.pptxCaution
Microsoft PowerPoint Open XML presentation format for slides and media.
Compatible Apps
Microsoft PowerPoint, Google Slides, LibreOffice Impress, Apple Keynote
.txtSafe
Unformatted text document that stores characters without rich layout.
Compatible Apps
Windows Notepad, Apple TextEdit, Visual Studio Code, gedit
.csvSafe
Tabular data format that stores rows as comma-separated text values.
Compatible Apps
Microsoft Excel, Google Sheets, LibreOffice Calc, Visual Studio Code
.rtfSafe
Cross-platform document format that preserves basic text formatting.
Compatible Apps
Microsoft Word, Apple TextEdit, LibreOffice Writer, Google Docs
Comparisons
PDF vs DOCXFixed-layout delivery versus editable office documents for sharing and collaboration.documents pairDOCX vs ODTMicrosoft-compatible DOCX versus the open-standard ODT for office documents.documents pairDOCX vs MarkdownPlain-text Markdown versus rich DOCX for documentation and formal documents.documents pairCSV vs XLSXPlain tabular text versus a full spreadsheet workbook with formulas, formatting, and multiple sheets.data pair