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You can display the Slack app in a number of languages. If your preferred language isn't yet supported, you can still send and read messages in that language by adjusting your spellcheck settings.
Supported languages
Chinese (Simplified or Traditional)
English (U.S. or U.K.)
French (France)
German (Germany)
Italian
Japanese
Korean
Portuguese (Brazil)
Spanish (Latin America or Spain)
Note: Slack does not support right-to-left languages. We hope to include better support for these languages in the future.
Change your language preference
To select your preferred language in Slack, use the steps below. Keep in mind that while your selected language will display throughout Slack, you may see some messages display in your workspace’s default language.
Desktop
Mobile
Click your profile picture in the sidebar.
Select Preferences from the menu.
Select Language & region.
Below Language, choose an option from the drop-down menu.
Tap the You tab at the bottom of the screen.
Tap Preferences.
Tap Language, then select your preference.
Manage spellcheck in Slack
You can send messages in most languages by typing them in your preferred language in the message field. Spellcheck in Slack is enabled by default, and will automatically detect the language of the messages you send. In the message field, misspelled words will appear underlined in red. To manage spellcheck and adjust your spellcheck languages, use the steps below.
Mac
Windows
Linux
Set specific spellcheck languages for macOS
In the Slack desktop app versions 4.5.0 and above, Slack will use the system-level macOS spellchecker. By default, macOS spellcheck is set to Automatic by Language and will spellcheck any supported language you type in. If you choose a set of specific languages to be spellchecked on your device, Slack will only spellcheck those languages.
Open System Preferences.
Select Keyboard.
Click the Text tab at the top.
Below Spelling, open the drop-down menu.
Scroll to the bottom of the list, then click Set Up.
Check or uncheck the box next to any languages you’d like spellchecked.
Manage spellcheck
Click your profile picture in the sidebar.
Select Preferences from the menu.
Select Language & region.
Check or uncheck the box next to Enable spellcheck on your messages.
Click your profile picture in the sidebar.
Select Preferences from the menu.
Select Language & region.
Check or uncheck the box next to Enable spellcheck on your messages. If enabled, you can add new spellcheck languages by typing the names of those languages in the text field below Spellcheck.
Click your profile picture in the sidebar.
Select Preferences from the menu.
Select Language & region.
Check or uncheck the box next to Enable spellcheck on your messages. If enabled, you can change your spellcheck language by selecting a new one from the drop-down menu.
Slack AI and multilingual organizations
Slack AI is a generative AI tool built right into Slack — but did you know it can “talk” to you in the language you set your language preference to, regardless of what language the original messages are in? For example, if you’re in an English-speaking Slack workspace, but your preferred language is Japanese, Slack AI results will be in Japanese. Powerful! Slack AI currently supports English, Spanish, and Japanese — with additional languages coming soon. (Note: You may still use Slack AI with unsupported languages, but you may see a difference in quality.) Learn more about Slack AI.
Great news! Our Help Center is available in multiple languages. Switch to EnglishBonne nouvelle ! Le centre d'assistance de Slack est désormais disponible dans plusieurs langues. Poursuivre en FrançaisGute Neuigkeiten! Unser Support-Center gibt es jetzt in mehreren Sprachen! Weiter auf DeutschSlack ヘルプセンターが複数言語で閲覧できるようになりました!日本語ページへ切り替え¡Buenas noticias! El centro de ayuda de Slack ya está disponible en varios idiomas. Continúa leyendo en español