Compare Microsoft Word 97-2003 and Markdown formats — understand the key differences and when to use each
Microsoft Word 97-2003
DOC is the legacy Microsoft Word binary document format, used as the default format in Microsoft Office from 1997 through 2003. It stores text, formatting, images, tables, headers, footers, and embedded OLE objects in a proprietary binary format. While DOC files are widely recognized, they have limitations compared to the modern DOCX format: larger file sizes, less reliable cross-platform rendering, and limited support for modern features like content controls and advanced typography. Many organizations still encounter DOC files in legacy archives and older workflows. Converting DOC to DOCX or PDF ensures better compatibility with modern applications while preserving the original content and formatting.
Markdown
MD (Markdown) is a lightweight markup language created by John Gruber in 2004. Markdown uses plain text formatting syntax (#, *, -, etc.) that converts to HTML. It's the standard format for README files, documentation, technical writing, and note-taking. Markdown is used by GitHub, GitLab, Stack Overflow, Reddit, Discord, and thousands of other platforms. Various flavors exist including CommonMark, GitHub Flavored Markdown (GFM), and MultiMarkdown.
| Feature | DOC | MD |
|---|---|---|
| Full Name | Microsoft Word 97-2003 | Markdown |
| File Extension | .doc | .md |
| Category | document | document |
| Free to Convert | ✓ Yes | ✓ Yes |
| Browser Support | ✓ All Browsers | ✓ All Browsers |
| Convert to Each Other | ✓ Yes | ✓ Yes |
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