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Manage data languages – assign locales, set the order and define a primary language.
HOW-TO ADMINISTRATOR UPDATED: JUL 2026 APPLIES TO NUCLOS 4.2026.X
On this page
Menu Administration → Data language. To maintain field content multilingually, the administrator must add at least one data language (applies instance-wide).
The screen shows all valid locales (country-language combinations) on the left and those assigned to the instance on the right. Assigned ones disappear on the left; deselected ones return there.
Changing the primary language
If a new primary language is set on an already internationalized instance, its content is copied into the main records and the old primary language's values are overwritten (kept only in the language tables unless the language is removed there).
Enable multilingualism for the desired attribute in the BO wizard – details see Internationalizing business objects.