Microsoft PowerPoint is on over a billion computers worldwide, according to Robert Gaskins, one of the program's developers. So it's likely you'll come across a PowerPoint Presentation file you need ...

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 ...

A .CWK file is an extension applied to Apple Works files. It applies to spreadsheet, presentation or word-processing files created with Apple Works. With the advent of the Lion Mac operating system, ...