File Extensions

Here's a list of some common file extensions: .doc - Microsoft Word document .docx - Microsoft Word open XML document .txt - plain text document .wpd - WordPerfect document .pps - PowerPoint slide show .ppt - PowerPoint presentation .xml - XML file .mp3 - MP3 audio file .wma - Windows Media audio file .flv - Flash video file .mov - Apple QuickTime movie .mpg - MPEG video file .wmv - Windows Media video file .bmp - bitmap image file .jpg - JPEG image .pdf - portable document file format .xls - Excel spreadsheet .com - DOS command file .exe - Windows executable file .htm/.html - hypertext markup language file Check out this website for more extensions, as well as detailed explanations of all of these file types.  If you need to search for a specific extension on the web page, don't forget Ctrl F!