File Extensions (फाइल एक्सटेंशन )
हिंदी व्याख्या: Extension क्या है? फाइल के नाम के बाद डॉट (.) के बाद लिखे अक्षर। यह कंप्यूटर को बताता है कि फाइल किस प्रकार की है और कौन सा प्रोग्राम उसे खोल सकता है।
English Explanation: What is Extension? The letters written after the dot (.) in the file name. It tells the computer what type of file it is and which program can open it.
Important File Extensions:
- .txt → Text File → Simple notes → Notepad
- .docx → Word Document → Reports, Letters → Microsoft Word
- .xlsx → Excel Spreadsheet → Tables, Calculations → Microsoft Excel
- .pptx → PowerPoint Presentation → Slides & Presentations → Microsoft PowerPoint
- .jpg / .jpeg → Joint Photographic Experts → Photos → Photos App
- .png → Portable Network Graphics → Images with transparency → Photos App
- .mp4 → MPEG-4 Video → Videos & Movies → Movies & TV / VLC
- .mp3 → MPEG Audio Layer 3 → Music & Audio → Media Player
- .pdf → Portable Document Format → Forms, E-books → Edge / Adobe Reader
- .exe → Executable File → Software/Programs → Windows
- .zip → Zipped Archive → Compressed files → Windows built-in
- .html → HyperText Markup Language → Webpages → Web Browser