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List of common text file extensions

Files that contain data in human readable form. These include common text files, list, various logs and similar.

Common simple text files may change in time as the popularity and significance of some formats can change.
Whole category of simple text files contains now 546 file types. Show all text file types.

 1st 

The 1st file extension is related to instruction text files distributed with some applications.

 alx 

An alx file extension is used for files that contain data used for installation of apps to BlackBerry smartphones. ALX is text format viewable in every text editor.

 application 

An application file extension is an application installer deployed with Microsoft’s ClickOnce technology. ClickOnce is similar technology to the Java Web Start for the Java Platform. ClickOnce applications can be developed in the Microsoft Visual Studio.

asp file icon asp 

An asp file extension is associated with the ASP Classic server side scripting engine used to dynamically generate web pages. An asp file contains Microsoft Active Server Page source code scripts. The ASP Classic is obsolete and it was replaced by ASP.NET.

csv file icon csv 

A csv file extension is commonly used for Comma Separated Value file format. CSV is a simple text file with values divided by comma or other character used to separate values. Often used as an import/export format for databases and tables by many software.

 eng 

Files with eng suffix can be commonly found as English language localizations for programs or computer games.

htm file icon htm 

A htm file extension is used for web documents stored in HTML Hypertext Markup Language file format. HTML language provides a means to create structured documents by denoting structural semantics for text such as headings, paragraphs, lists, links, quotes and other items. Its the main language for writing web pages. A htm web page can be displayed in any Web browser.

html file icon html 

Files with html extension are web pages and documents written in the most common scripting language for internet - the Hypertext Markup Language.

log file icon log 

Files with log suffix can be usually found as logs generated by various apps and programs, often for reporting purposes.

 lrc 

Files with lrc extension can commonly be found as lyrics for audio files. Used to show words when a song is played back.

lst file icon lst 

Files with lst extension can be commonly found as various "lists", ie. text files that contains list of something, like songs, errors, items etc.

nfo file icon nfo 

An nfo file extension is related to the ASCII text information file that contains additional information about the downloaded data and its source.

opml file icon opml 

Files with opml extension are written in the Outline Processor Markup Language. Used in RSS environment.

plist file icon plist 

A plist file extension is related to the Apple Mac OS X (macOS) operating system. The plist file contains property list stored in XML simple text file format.

reg file icon reg 

Files with reg extension can be usually found as Windows registry files, special files that contain exported registry entries that can be uploaded to the system.

 rep 

The rep file extension is related to the report files created by various apps.

rtf file icon rtf 

Files with rtf extension can commonly be found as text files saved in Rich Text Format. Supported by most text editors.

srt file icon srt 

A srt file extension is used for one of the main movie subtitle formats. A srt files are simple text files that contain specially format text entries with time stamps. If present in the same folder as the video file, subtitles are usually automatically loaded in media player with the video. SRT subtitles are supported by all almost video players.

sub file icon sub 

A sub file extension is used for one of the main movie subtitle file format. It's a plain text file format that contain individual text entries with time stamps that basically tell the media player which text and at what playback time it should show.

 tbl 

Files with tbl extension can be commonly found as various table files.

 text 

Files with text suffix are commonly used for various text files that can be read with any text editor.

txt file icon txt 

Files with TXT extension are mostly common text files.

xml file icon xml 

An xml file extension is commonly used for files written in Extensible Markup Language. An xml file is used in various areas of computer industry and many program languages are just derivatives of XML. These *.xml files can be opened and edited in any text editor or IDE.

xmp file icon xmp 

The XMP file extension is related to the Adobe Extensible Metadata Platform. File stores metadata about photos like camera type, date, image dimensions etc.

xsd file icon xsd 

Files with xsd extension may be typically found as XML schema descriptions that define the structure, content and semantics of XML documents.

xsl file icon xsl 

Files with xsl extension can be usually found as style sheets saved in the eXtensible Style sheet Language for Transformations (XSLT).

xslt file icon xslt 

The .xslt file extension is related to the XSLT XML formatted document.

This is a list of some the most common file types from this category and may change in time as the popularity and significance of some formats can change. Whole category of simple text files contains now 546 file types. Show all text files.

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