The folder contains extensions which use in the description.xml the following: -The <extension-description> element The element contains localized child elements. The following table shows what localized item is used, when the Office the locale en-US uses. The displayed extension description contains the locale. Localization: Installed office: en-US | locale ========================= desc1.oxt | en-US ------------------------- desc2.oxt | en-US-region1 -------------------------- desc3.oxt | en -------------------------- desc4.oxt | en-GB -------------------------- desc5.oxt | de