Opening KEY files. Did your computer fail to open a KEY file? We explain what KEY files are and recommend software that we know can open or convert your KEY files. What is a KEY file. Files with the file extension have usually been created by the Apple Keynote presentation software. Keynote was developed by Apple and is run on the Mac operating system. The KEY files created by this software are similar to PowerPoint files, but they are for Mac users and are not functional on Windows computers. The KEY files that are created by Keynote contain slides that include text, images, presentation transitions and XML data. This data is then shown in a presentation style format when a user launches the file. The file extension is also used by the AntiVir Personal Edition software. The AntiVir Personal Edition software is a free anti-virus application that can be downloaded from the Internet. Software that will open, convert or fix KEY files. Avant Browser Verified Program has been verified by to work with KEY files. AnyDVD Verified Program has been verified by to work with KEY files. CloneDVD Verified Program has been verified by to work with KEY files. WinRAR User Submitted Not yet verified by. Parallels Tools Center User Submitted Not yet verified by. Try a universal file viewer. In addition to the products listed above, I would suggest that you try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and very likely yours too! Download Free File Viewer. What is a file extension. A file extension is the characters after the last dot in a file name. For example, in the file name the file extension is "dat". It helps Windows select the right program to open the file. We help you open your file. We have a huge database of file extensions (file types) with detailed descriptions. We hand pick programs that we know can open or otherwise handle each specific type of file. Original downloads only. All software listed on is hosted and delivered directly by the manufacturers. We do not host downloads on our own, but point you to the newest, original downloads. Copyright 2010-2017 Trusted Software Aps - All rights reserved.
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