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.txt	Plain text file		tech-file-types-and-formats
.doc / .docx	Microsoft Word document		tech-file-types-and-formats
.pdf	Portable Document Format, looks the same on any device		tech-file-types-and-formats
.rtf	Rich Text Format, text with simple formatting		tech-file-types-and-formats
.odt	OpenDocument text file		tech-file-types-and-formats
.xls / .xlsx	Microsoft Excel spreadsheet		tech-file-types-and-formats
.csv	Comma-separated values, a simple data table in text		tech-file-types-and-formats
.ppt / .pptx	Microsoft PowerPoint presentation		tech-file-types-and-formats
.key	Apple Keynote presentation		tech-file-types-and-formats
.pages	Apple Pages document		tech-file-types-and-formats
.jpg / .jpeg	Compressed photo image		tech-file-types-and-formats
.png	Image with lossless compression and transparency		tech-file-types-and-formats
.gif	Image format that supports simple animation		tech-file-types-and-formats
.bmp	Uncompressed bitmap image		tech-file-types-and-formats
.svg	Scalable vector graphics, sharp at any size		tech-file-types-and-formats
.webp	Modern web image format		tech-file-types-and-formats
.heic	Apple's efficient photo format		tech-file-types-and-formats
.tiff	High-quality image format		tech-file-types-and-formats
.psd	Adobe Photoshop file		tech-file-types-and-formats
.ai	Adobe Illustrator file		tech-file-types-and-formats
.mp3	Compressed audio		tech-file-types-and-formats
.wav	Uncompressed audio		tech-file-types-and-formats
.aac	Compressed audio format used by Apple		tech-file-types-and-formats
.flac	Lossless compressed audio		tech-file-types-and-formats
.ogg	Open audio format		tech-file-types-and-formats
.midi / .mid	File with music notes instead of sound		tech-file-types-and-formats
.mp4	Common video format		tech-file-types-and-formats
.mov	Apple QuickTime video		tech-file-types-and-formats
.avi	Older Microsoft video format		tech-file-types-and-formats
.mkv	Flexible video container format		tech-file-types-and-formats
.webm	Open video format for the web		tech-file-types-and-formats
.zip	Compressed archive of files		tech-file-types-and-formats
.rar	Compressed archive format		tech-file-types-and-formats
.7z	7-Zip compressed archive		tech-file-types-and-formats
.tar.gz	Compressed archive common on Linux		tech-file-types-and-formats
.exe	Windows program		tech-file-types-and-formats
.msi	Windows installer		tech-file-types-and-formats
.dmg	Mac disk image used for installing apps		tech-file-types-and-formats
.app	Mac application		tech-file-types-and-formats
.apk	Android app package		tech-file-types-and-formats
.ipa	iOS app package		tech-file-types-and-formats
.iso	Disk image of a disc		tech-file-types-and-formats
.html / .htm	Web page		tech-file-types-and-formats
.css	Stylesheet for web pages		tech-file-types-and-formats
.js	JavaScript code		tech-file-types-and-formats
.json	JavaScript Object Notation, a common data format		tech-file-types-and-formats
.xml	Extensible Markup Language, structured data		tech-file-types-and-formats
.py	Python code		tech-file-types-and-formats
.java	Java source code		tech-file-types-and-formats
.class	Compiled Java code		tech-file-types-and-formats
.c / .cpp	C and C++ source code		tech-file-types-and-formats
.cs	C# source code		tech-file-types-and-formats
.php	PHP script		tech-file-types-and-formats
.rb	Ruby script		tech-file-types-and-formats
.sql	SQL database commands		tech-file-types-and-formats
.db / .sqlite	Database file		tech-file-types-and-formats
.md	Markdown text file		tech-file-types-and-formats
.yml / .yaml	Human-readable configuration data		tech-file-types-and-formats
.sh	Shell script		tech-file-types-and-formats
.bat	Windows batch file		tech-file-types-and-formats
.ini / .cfg	Configuration file		tech-file-types-and-formats
.log	Log file recording events		tech-file-types-and-formats
.tmp	Temporary file		tech-file-types-and-formats
.bak	Backup file		tech-file-types-and-formats
.dll	Windows dynamic link library		tech-file-types-and-formats
.sys	System file		tech-file-types-and-formats
.ttf / .otf	Font files		tech-file-types-and-formats
.epub	E-book format		tech-file-types-and-formats
.ics	Calendar event file		tech-file-types-and-formats
.vcf	Contact card file		tech-file-types-and-formats
.torrent	File used by peer-to-peer sharing software		tech-file-types-and-formats
File extension	The letters after the dot that suggest the file type		tech-file-types-and-formats
Filename	The name before the extension		tech-file-types-and-formats
Folder (directory)	A container for files		tech-file-types-and-formats
Path	The location of a file, such as C:\Users\Sam\file.txt		tech-file-types-and-formats
Operating system	Software that manages a computer, like Windows, macOS, Linux, Android, iOS		tech-file-types-and-formats