Windows
Compatible applications
Quick Facts
Basic information about this file format
Extension
.TEXTFILE
File Type
Plain Text File
Category
Data
Best first step
Use compatible software
Quick Summary
A practical overview of the .textfile file format
A plain text file (.txt) is a simple, unformatted document that contains only text characters, adhering to a character encoding standard such as ASCII, UTF-8, or UTF-16. It lacks any specific formatting, such as bolding, italics, font styles, or embedded images. Plain text files are highly portable…
File extension
.TEXTFILE
File type
Plain Text File
Category
Data
Recommended action
Open with a trusted compatible app
How to open a .textfile file
Start with a trusted app that supports this format
- Check the file extension carefully and confirm that the file name really ends with .textfile.
- Use software that supports this file type. If one app does not work, try another compatible program for the same platform.
- Update the application if the file was created by a newer version of the software.
- Scan files from unknown sources before opening them, especially documents, archives, scripts, installers, and executable files.
What is a .textfile file?
File extension details and usage information
A plain text file (.txt) is a simple, unformatted document that contains only text characters, adhering to a character encoding standard such as ASCII, UTF-8, or UTF-16. It lacks any specific formatting, such as bolding, italics, font styles, or embedded images. Plain text files are highly portable and can be opened and edited by virtually any text editor or word processor on any operating system. They are commonly used for storing configuration files, source code, simple notes, log files, and other data where formatting is not essential. The simplicity of the format ensures compatibility across different platforms and software applications. Because they contain only text, they are also relatively small in size compared to formatted documents. Plain text files are often used as a base format for more complex file types, with additional formatting or metadata added on top. They are a fundamental building block in computing and data storage.
Software Compatibility
Programs that may open or work with .textfile files
macOS
Compatible applications
Linux
Compatible applications
Mobile
Mobile applications
Can .textfile files be converted?
Options for saving or exporting this file to another format
In many cases, a .textfile file can be converted by opening it in compatible software and using an option such as Save As, Export, or Convert. The available output formats depend on the file type and the application used.
- Use the original software that created the file when possible.
- Check whether the application supports exporting to common formats.
- Be careful with online converters when working with private, business, or sensitive files.
- If conversion fails, the file may be corrupted, incomplete, encrypted, or not actually a .textfile file.
Why can't I open a .textfile file?
Common reasons this file type may not open correctly
Wrong software
The file may require a specific program that supports the .textfile format.
Incorrect extension
The file extension may have been renamed manually, even though the actual file format is different.
Corrupted file
The file may be incomplete, damaged during download, or transferred incorrectly.
Outdated app
Your software may need to be updated before it can open newer versions of this file format.
Frequently Asked Questions
Common questions about .textfile files
To open a .textfile file, use software that supports this file format.
- Notepad
- Notepad++
- TextPad
- Microsoft Word
- Sublime Text
Open the file in compatible software and look for options such as Save As, Export, or Convert. If no export option is available, the file may require a specialized converter or the original application that created it.
- Verify that the file extension is correct.
- Install or update compatible software.
- Try another application that supports this format.
- Check whether the file is corrupted, incomplete, or encrypted.
A file extension alone does not guarantee whether a file is safe or unsafe. Only open files from trusted sources, scan unknown files before opening them, and be especially careful with executable, script, archive, and document files.
File safety tips
Use caution with unknown files
Only open files from trusted sources. Before opening a .textfile file, scan it with antivirus software, verify that the file extension is expected, and avoid running unknown executable, installer, macro-enabled document, or script files.