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| English | Greek |
| extra-bold | πολύ έντονα (Having a font weight that corresponds to a weight class value of 800 according to the OpenType specification) |
| extra-light | πολύ λεπτά (Having a font weight that corresponds to a weight class value of 200 according to the OpenType specification) |
| Extras Library | Βιβλιοθήκη των Έξτρα (A renaming of the Vista Program Library experience that showcases and allows quick access to installed Media Center Extras) |
| Media Center Extras | Έξτρα του Media Center (A collection of third-party extensibility applications for Windows Media Center) |
| Windows Ultimate Extras | Έξτρα των Windows Ultimate (Programs, services, and tips and tricks for using Windows Vista Ultimate Edition. Users can select the programs and services that they want from a menu) |