Mail Program For Mac Not Openeing Sierra

Easily Change Default Apps in macOS Sierra With these methods, you can easily change the default apps on Mac to any third party app that you prefer using. Changing default apps in macOS Sierra can help you automatically open files, and documents in the app of your choice. Following the upgrade, some users experience mail not working problems on macOS Sierra, including mail won't open, mail can't verify account name and password, can receive but can't send email or mail crashes problems.

Best Mail Programs For Mac

Use the Mail app

Learn how to use Mail on your iOS device or Mac.

Featured topics

Add an email account to your iPhone, iPad, or iPod touch

There are two ways you can set up an email account in the Mail app on your iOS device—automatically or manually. Learn which option is best for you.

Set up an account

If you can’t send or receive email on your Mac

Follow these steps if the Mail app on your Mac suddenly doesn't send or receive email.

Get help with Mail

Get help using iCloud Contacts, Calendars, or Reminders

Learn what to do if you need help. For example, the changes that you made on one device didn't appear on all of your devices.

Learn more

How to use emoji, accents, and symbols on your Mac

macOS includes features that make it easy to find and type special characters like emoji and currency symbols.

Use emoji and symbols

Have a question about Mail? Ask everyone.

Opening

The members of our Apple Support Community can help answer your question. Or, if someone’s already asked, you can search for the best answer.

Mail Program For Mac Not Opening Sierra Update

MacAsk now

Tell us how we can help

Answer a few questions and we'll help you find a solution.

Free Mail Program For Mac

Get support