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File extensions control which application can open a file |
May 06, 2013
BearPup sometimes wants to open a file in one program, and other times open it in another. He asked the Answer Line forum for an easy way to do this.
Windows uses a file's extension--the part of the file name after the period--to identify what program should open it. When you double-click, say, a .docx file, Windows checks to see what application is associated with that extension (probably a word processor) and opens the file in that program.
You can change these associations yourself, and you can associate multiple programs with a single extension. In fact, there's a good chance Windows has already done that for you.
[Email your tech questions to answer@pcworld.com or post them on the PCW Answer Line forum.]
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Link: http://www.pcworld.com/article/2036485/file-extensions-control-which-application-can-open-a-file.html#tk.rss_howto
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