Tutanota Technical Help & Support Guide
Tutanota is engineered to be a secure and reliable email service, but like any technology platform, users may encounter occasional technical challenges. Whether you’re facing app crashes, synchronization issues, browser errors, or encryption problems, this guide walks you through step-by-step solutions to ensure your Tutanota experience remains seamless and secure.
App Crashes or Fails to Open
- Solution: Ensure you're using the latest version of the app from the App Store or Google Play.
- Clear app cache and data
- Check for OS updates on your device
- Reinstall the Tutanota app
Email Sync Issues
- Verify your internet connection
- Disable battery optimization/restrictions for the app
- Force stop and reopen the app
- Ensure date/time is set correctly on your device
Desktop Client Not Working
- Download the latest version from the official website
- Check system requirements for Windows, macOS, or Linux
- Install missing dependencies if using Linux (e.g., libappindicator1)
Browser Compatibility
- Use modern browsers like Chrome, Firefox, Edge, or Safari
- Disable interfering browser extensions
- Clear cache and cookies
- Ensure JavaScript is enabled
Notification Problems
- Enable app notifications in phone settings
- Allow background data and auto-start permissions
- Check Focus or Do Not Disturb mode is off
Encryption Not Working
- Ensure you're communicating with another Tutanota user or have manually shared the password for external users
- Don't modify subject lines or message structure manually
- Use supported browsers to maintain encryption compatibility
Connectivity Troubles
- Try switching from Wi-Fi to mobile data (or vice versa)
- Disable VPNs or proxy tools temporarily
- Check firewall and router settings if using desktop clients
Advanced Troubleshooting
- Review console errors via browser DevTools
- Report bugs through Tutanota's GitHub issues page (for open-source contributions)
- Use log output from the app (Settings → Info → Logs) when contacting support
Getting Help
If you can’t resolve your issue with the steps above, visit the Tutanota FAQ or contact support (available for Premium users and above).
Most technical issues in Tutanota are fixable with routine updates and good device practices. By following this guide, you can keep your secure email workflow smooth and uninterrupted.