When you double-click a file on your Mac, the operating system will automatically open the file using the program assigned to that type of file. It is possible, though, to open the file using another ...

When you double-click on a file in Windows 8, Windows will automatically open that file using a program that has been associated with that file's extension. There may come a time, though, that you ...

Of all the "under the hood" components of Mac OS X, my personal favorite is preferences files. Why? For starters, they are important. They potentially affect every application you use, from the Finder ...

Trying to open your Microsoft Presentation but keep on getting an error message stating that you cannot open your presentation, or the file can’t be read? In this ...

If you use Microsoft Excel on your Mac, you can save the spreadsheets you create and open them in Numbers, Apple’s spreadsheet app. It’s a handy feature to use in case you can’t access Microsoft’s ...

Is there an easy way to open Keynote files on a Windows PC? My colleagues all use Macs. Keynote may well be the best presentation software package you can buy – or get for free with any new Mac – but ...