Change the program that opens a file

Many types of files are registered in Windows 7, Windows Vista, and Windows XP to be opened by a particular program by default. For example, Notepad typically starts when you open a text (.txt) file. However, you can change which program — including the default settings — opens files of a certain type.

In Windows 7 and Windows Vista

Change the program that opens a type of file.

In Microsoft Windows XP

How to change or select which program starts when you double-click a file in Windows XP.

Applies To: PowerPoint 2010, Visio Professional 2013, OneNote 2010, Project 2010, InfoPath 2010, Visio Premium 2010, Excel 2010, Word 2010, Access 2013, Project Professional 2013, Word 2013, Access 2010, PowerPoint 2013, Visio 2010, Outlook 2010, Publisher 2010, OneNote 2013, InfoPath 2013, Visio 2013, Excel 2013, Outlook 2013, Project Standard 2013, Project Standard 2010

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