Computer Awareness

Important File Extensions Zipped File 7z — 7-Zip compressed file gzip (.gz) — Compressed file .tar.gz, .tgz — gzipped tar file jar — ZIP file with manifest for use with Java applications RAR Rar Archive (.rar) — for multiple file archive (rar to .r01-.r99 to s01 and so on) zip — popular compression format   Desktop publishing .indd - Adobe InDesign .psd - Adobe Photoshop .pdf - Adobe Acrobat or Adobe Reader .qxd - QuarkXPress Document /Spreadsheet Files .xl - Excel Spreadsheet .xlr - Works Spreadsheet .xlsx - Microsoft Excel Open XML Spreadsheet .log - Log File .odt - OpenDocument Text Document .pages - Pages Document .doc - Microsoft Word Document .docx - Microsoft Word Open XML Document .tex - LaTeX Source Document .wps - Microsoft Works Word Processor Document .msg - Outlook Mail Message .rtf - Rich Text Format File .txt -   Plain Text File  .vcf -   vCard File .dat -   Data File .pptx -   PowerPoint Open XML Presentation .sdf -   Standard Data File .csv  -   Comma Seperated Values File .xml -   XML File .pps -   PowerPoint Slide Show .ppt  -   PowerPoint Presentation   Audio Files .aif   -   Audio Interchange File Format .mpa  -   MPEG-2 Audio File .ra  -   Real Audio File .iff  -   Interchange File Format .wav  -   WAVE Audio File .wma  -   Windows Media Audio File .mp3  -   MP3 Audio File   Video Files .avi  -  Audio Video Interleave File .3gp  -  3GPP Multimedia File .flv  -  Flash Video File .mpg  -  MPEG Video File .vob  -  DVD Video Object File .mp4  -  MPEG-4 Video File .3g2  -  3GPP2 Multimedia File .m4v  -  iTunes Video File .wmv  -  Windows Media Video File .swf  -  ShockWave Flash   Image Files .gif   -  Graphical Interchange Format File .jpg  -  JPEG Image .bmp  -  Bitmap Image File .psd   -  Adobe Photoshop Document .png  -  Portable Network Graphic .jpg  -  JPEG Image (Full form is Joint Photographic Experts Group)   Database Files .mdf - Microsoft SQL Server Database .sql - bundled SQL queries .pdb  -  Program Database .dbf  -  Database File .accdb  -  Access 2007 Database File .db   -  Database File .sql  -  Structured Query Language Data File .mdb  -  Microsoft Access Database   Executable Files .exe  - Windows Executable File .bat  - DOS Batch File   Programe/Code Files .cgi  - Common Gateway Interface Script .vb  - VBScript File .cs  - C Sharp file .jar  - Java Archive File .bat  - DOS Batch File .aspx  - Asp.net Extension .asp  - Active Server Page .php  - PHP Source Code File .cpp   - C++ Source Code File .c    - C/C++ Source Code File   Web Files .cer  - Internet Security Certificate .css  - Cascading Style Sheet .html   - Hypertext Markup Language File .js  - JavaScript File .jsp  - Java Server Page .htm  - Hypertext Markup Language File .xhtml  - Extensible Hypertext Markup Language File .rss   - Really Simple Syndication   Other Files .tmp   - Temporary File .bak   - Backup File .cab - cabinet file