.txt — Plain Text File
Various · 1960s
TXT is the simplest and most universal file format, containing only plain text without any formatting.
Key Features
- Plain text storage behavior for typical document workflows
- Common MIME type: text/plain
- Recognizable file signature: Plain text (no signature)
- Associated with Various
Best For
- Documents that must preserve layout
- Files exchanged between different apps or devices
- Read-only distribution and printing
Less Ideal For
- Heavy collaborative editing without version control
- Raw assets that still need design changes
- Executable or interactive workflows
Common Use Cases
- Sharing formatted documents across devices
- Archiving business or school files
- Printing paperwork with consistent layout
How to Open It
- On Windows, open the file with Notepad or Notepad++.
- On macOS, open the file with TextEdit or VS Code.
- If the file does not open, confirm that the extension really matches .txt and that the download or transfer completed without corruption.
What is a .txt file?
TXT is the simplest and most universal file format, containing only plain text without any formatting. TXT files can be opened by virtually any text editor on any operating system, making them the ultimate cross-platform format. They are used for readme files, configuration files, logs, notes, and simple data storage. Despite their simplicity, TXT files remain essential in computing for their reliability, minimal size, and universal compatibility.
Programs That Open .txt Files
| Platform | Program | ||
|---|---|---|---|
| Windows | Notepad | Free | Official |
| Notepad++ | Free | ||
| VS Code | Free | ||
| macOS | TextEdit | Free | Official |
| VS Code | Free |
Common Problems with .txt Files
Frequently Asked Questions
.txt files can be opened with several programs. Notepad is one of the most popular choices.
Generally yes, .txt files are safe to open with appropriate software.
Yes, there are many online and offline tools available to convert .txt files. Check the conversion section above for specific methods.
Technical Details
Plain Text File files use the text/plain MIME type and were first introduced in 1960s by Various. The file can be identified by its signature: Plain text (no signature).