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Defines the default languages and some other locale settings for documents.

Choose Tools - Options' - Language Settings - Languages'

Language of

User interface

Select the language used for the user interface, for example menus, dialogs, help files. You must have installed at least one additional language pack or a multi-language version of LibreOffice.

The "Default" entry selects the language of the user interface for the operating system. If this language is not available in the LibreOffice installation, the language of the LibreOffice installation is the default language.

Locale setting

Specifies the locale setting of the country setting. This influences settings for numbering, currency and units of measure.

The "Default" entry selects the locale setting that is selected for the operating system.

A change in this field is immediately applicable. However, some formats that were formatted by default change only if the document is newly loaded.

Decimal separator key - Same as locale setting

Specifies to use the decimal separator key that is set in your system when you press the respective key on the number pad.

If this checkbox is activated, the character shown after "Same as locale setting" is inserted when you press the key on the number pad. If this checkbox is not activated, the character that your keyboard driver software provides is inserted.

Default currency

Specifies the default currency that is used for the currency format and the currency fields. If you change the locale setting, the default currency changes automatically.

The default entry applies to the currency format that is assigned to the selected locale setting.

A change in Default currency field will be transmitted to all open documents and will lead to corresponding changes in the dialogs and icons that control the currency format in these documents.

Date acceptance patterns

Specifies the date acceptance patterns for the current locale. Calc spreadsheet and Writer table cell input needs to match locale dependent date acceptance patterns before it is recognized as a valid date. Default locale dependent date acceptance patterns are generated build time, but it is possible to add more or modify them in this edit box.

Additionally to the date acceptance patterns defined here, every locale accepts input in an ISO 8601 Y-M-D pattern, and since LibreOffice 3.5 that also leads to the YYYY-MM-DD format being applied.

Syntax: Y means year, M means month, and D means day, regardless of localizaton.

Default languages for documents

Specifies the languages for spellchecking, thesaurus and hyphenation.

Selecting the Document Language

Warning.png The spellcheck for the selected language only functions when you have installed the corresponding language module. A language entry has a check mark in front of it if the spellcheck is activated for this language.


Specifies the language used for the spellcheck function in western alphabets.


Specifies the language used for the spellcheck function in Asian alphabets.


Specifies the language for the complex text layout spellcheck.

For the current document only

Specifies that the settings for default languages are valid only for the current document.

Enhanced language support

Show UI elements for East Asian writings

Activates Asian languages support. You can now modify the corresponding Asian language settings in LibreOffice.

If you want to write in Chinese, Japanese or Korean, you can activate the support for these languages in the user interface.

Show UI elements for Bi-Directional writing

Activates complex text layout support. You can now modify the settings corresponding to complex text layout in LibreOffice.

Languages Using Complex Text Layout

Ignore system input language

Indicates whether changes to the system input language/keyboard will be ignored. If ignored, when new text is typed that text will follow the language of the document or current paragraph, not the current system language.