1. TXT File Extension
2. What is a(n) TXT file?
3. How to open TXT file?

3.1 Download and install application that supports TXT files
1. 3.1.1 Programs that support TXT files
3.2 Verify whether TXT files are associated with appropriate software
3.3 Check TXT file for other errors

4. Similar file extensions

TXT File Extension

File type Plain Text Format
File developer N/A
File category Text Files
File popularity rating

What is a(n) TXT file?

The text file with the extension .TXT is the most basic text document found on both Windows and MacOS devices. Contains pure unformatted text. Can only use basic fonts and styles.

How to open TXT file?

If given user account does not have necessary permissions to open files with TXT extension, it is highly probable that no program that supports given files is installed on the users’ system. Below is a list of actions user should pursue in order to resolve most common problems.

Step 1. Download and install application that supports TXT files

After the application has been installed, the system should automatically open TXT files with given application. Below is the list of relevant programs along with operating systems they are available for:

Programs that support TXT files

Windows

MAC OS

Linux

Android

Windows Phone

Step 2. Verify whether TXT files are associated with appropriate software

It is possible that an application that supports TXT files is not associated with such files. In such case, the program should by manually associated with TXT files (right-click on the file icon → Properties → General Tab → In submenu "Open with" and click on "Change" button. System will display a list of suggested programs that support TXT files. Choose the application by checking the box "Always use the selected application to open this kind of files". System will store this information in its registry and use it to open TXT files with the selected program.

Changing TXT file association in registry

File association for TXT files can be edited manually by editing appropriate entry in Windows System Registry. However, it is discouraged as it may introduce errors to registry if not done properly and may even damage the system.

Step 3. Check TXT file for other errors

TXT file was not copied properly from storage medium.
Antivirus application prevents opening TXT files. In that case it is recommended to exercise extreme caution and recover or delete infected TXT file. It is also advised to scan the entire system for malicious software and viruses with antivirus software.
For TXT files downloaded from the internet it is advised to check if the file has been downloaded completely and is not corrupted. If not, the file should be re-downloaded.

Similar file extensions

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I cannot open a TXT file. What should I do? Help!