What is RTF (Rich Text Format)?
RTF stands for Rich Text Format, created by Microsoft in 1987 as a universal text format. Before DOCX existed, RTF was the cross-platform way to share formatted documents: bold text, italics, fonts, colors, and basic layout. RTF files are plain text files with embedded formatting codes, making them small, portable, and universally compatible.
RTF is still used today, especially in legal and healthcare fields where documents must be opened by systems without Word installed. Government forms, legal templates, and medical documents often come in RTF format because RTF is stable, simple, and universally readable.
How RTF Works
An RTF file is human-readable plain text with embedded formatting commands. For example, `\\b hello\\b0` represents "hello" in bold. `{\\colortbl;\\red255\\green0\\blue0;}` defines a color table. When you open an RTF file in Word, TextEdit, or any text editor, the RTF processor reads these codes and renders the formatted document. Because RTF is based on plain text, it is small, easily searchable, and version-controllable with Git.
RTF vs DOCX: The Evolution
DOCX (Microsoft Office Open XML) is the modern successor to RTF. DOCX is actually a ZIP archive containing XML files, images, and formatting—much more complex than RTF but also more powerful. DOCX supports macros, tracked changes, complex layouts, embedded media, and advanced collaboration features. RTF does not.
For simple documents (letters, memos, forms), RTF and DOCX are almost identical in capability. For complex documents (layouts, embedded objects, macros), DOCX is vastly superior. DOCX is the modern standard; RTF is a legacy format that persists for compatibility reasons.
RTF vs PDF: When to Use Each
PDF is for final, read-only documents that must look identical everywhere. Use PDF when you are sending a document you do not want edited, when layout must be preserved across devices, or when you need to sign the document digitally. PDF is what you send to clients, print to paper, or submit to institutions.
RTF is for documents that may be edited. Use RTF when you are sharing a template that others will customize, when you are collaborating on a draft, or when the recipient is using old software that does not support DOCX. RTF is also the choice for legal and government documents where format stability is critical.
Opening RTF Files
RTF files open in Microsoft Word, Google Docs, Apple Pages, LibreOffice, and any plain text editor (Notepad on Windows, TextEdit on Mac). You do not need special software—RTF is universally supported. On Mac and Linux, RTF opens in TextEdit by default. On Windows, Notepad opens RTF but renders the raw formatting codes. Right-click > Open With > Word is the preferred method on Windows.
Why RTF Still Matters
In regulated industries (law, healthcare, finance), RTF is still common because it is stable and understood by legacy systems. Government forms are often RTF. Some email systems prefer RTF for message formatting. If you work with these systems, understanding RTF is still relevant. For everyday users, DOCX is the standard, but RTF knowledge helps when you encounter old documents or systems.
Frequently Asked Questions
Can I open an RTF file without Microsoft Word?
Yes. RTF opens in TextEdit (Mac), any plain text editor (Windows), Google Docs, LibreOffice, Apple Pages, and even web browsers (with some limitations). RTF is universally supported and does not require Word.
Is RTF the same as TXT?
No. TXT (plain text) contains no formatting—just characters. RTF (rich text format) includes formatting codes for bold, italics, fonts, colors, and layout. RTF files are small but more complex than TXT.
Why do some old forms and legal templates use RTF?
RTF is stable and understood by legacy systems. Government and legal institutions often standardized on RTF decades ago and have not migrated. RTF is also simple enough that it works reliably across platforms without compatibility issues. DOCX is newer and more complex, which can cause compatibility problems with older systems.
Working with RTF Documents
- Word to PDF — Convert RTF (or Word) documents to PDF for final sharing.
- Merge PDF — Combine multiple RTF documents after converting to PDF.