By default, Tasks Checklist app inherits your Microsoft Teams language but you can translate the Tasks Checklist interface into different languages.
To do so:
- Open Settings
- Find the Language section
Choose the preferable language from the dropdown menu

Tasks Checklist can be used in the following languages:
- English
- Arabic
- Portuguese
- Bulgarian
- Croatian
- Czech
- Danish
- Dutch
- Estonian
- Finnish
- french
- German
- Greek
- Hebrew
- Hungarian
- Indonesian
- Italian
- Japanese
- Korean
- Latvian
- Lithuanian
- Norwegian
- Polish
- Romanian
- Russian
- Serbian
- Simplified Chinese
- Slovak
- Slovenian
- Spanish
- Swedish
- Thai
- Traditional Chinese
- Turkish
- Ukranian
- Vietnamese