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| Name | KEY |
| Full name | KEY - Apple Keynote File |
| File extension | .key |
| MIME type | application/x-iwork-keynote-sffkey |
| Developed by | Apple Inc. |
| Type of format | Presentation format |
| Description | iWork is an office suite of applications created by Apple Inc. for its macOS and iOS operating systems, and also available cross-platform through the iCloud website. Keynote is a presentation software application developed as a part of the iWork productivity suite. Keynote also uses .key (presentation files) and .kth (theme files) bundles based on XML. |
| Technical details | A KEY file contains slides that may include text, images, shapes, charts, tables, transitions, audio, video, and notes. KEY files are stored in the Mac OS X package format and also store .XML data used by the presentation. |
| Associated programs | Apple Keynote |
| Wiki | https://en.wikipedia.org/wiki/Keynote_(presentation_software) |