Note: We have included screenshots of Excel. However, if you want to make the change in Word or PowerPoint, you must follow the same steps. The list of file extensions will be different as per the app ...

Chris Capossela, who runs product management for the Office family of products, dropped by to see me to dribble out more details about the next version of Microsoft Office (currently dubbed "12"), ...

In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may want ...

Changing the default printer driver to PDF lets files created in Word 2010 format properly in Word 2007, but the only permanent solution is to revert to Word's old default format. Dennis O'Reilly ...

Microsoft is making it easier to change your default file associations by adding a new search feature that lets you quickly find the extension you wish to modify. When a program is installed in ...

Microsoft has made several changes to a Release Candidate version of Office 2010 made available to testers recently. One change in particular prompts users whether they want to use Office Open XML ...

All your PDF files open in Adobe Reader, but you want them to open in Preview. All your JPEG files open in Preview when you’d rather they open in Photoshop. How do you change what Mac OS X uses as the ...

Word will save new documents to the cloud by default. AutoSave will also be enabled by default. You can turn off these options if you prefer to save your files locally. Microsoft has long been pushing ...

One of our readers reported that all the file extensions have changed to some unknown file format. If so, it could be a virus! If a virus has changed all the files extensions to unknown applications, ...

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