Why does my Mail app keep crashing on Mac El Capitan?
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One of the other common cause for El Capitan Mac Mail issues is trying to open the email which is damaged due to some reason. The Mac Mail may continue to crash as long as this damaged email is in the folders itself.
Why is my Mail app not working on Mac?
Go to the Window in the top menu and click on “Connection Doctor.” This will show whether there are problems with connecting to the Mail app. 3. Now re-check account settings and delete and re-add your Mail account to reset this. From there your Mail app folder and every email should be accessible again.

How do I reinstall Apple Mail on El Capitan?
Click on the First Aid icon in the toolbar. Wait until the Done button activates, then click on it. Quit Disk Utility and return to the Utility Menu. Select Reinstall OS X and click on the Continue button.
How do I reset my Apple Mail app on my Mac?
How to reset the Mail app on Mac
- Click the Apple icon and choose System Preferences.
- Click Internet Accounts.
- Select iCloud, Gmail, or the added IMPA accounts from the left sidebar, and uncheck the box for iCloud Mail or Mail.
- In Finder, press Command + Shift + G.
Why does my Mail app keep closing?

Apps need a certain amount of device memory to work with and if your device is low on space or RAM, the app will keep crashing or stopping, because of the lack of space. To fix this, delete unnecessary files on your Android phone to free up disk space.
Why does my email app keep closing?
If it’s just a minor problem with the app, clearing the cache will be enough to fix the problem. The cache is a temporary file created by the system to make each app run smoothly. But when it gets corrupted, it may cause app crashes and that could be the case here.
How do I fix my Apple Mail?
Rebuild mailboxes in Mail on Mac
- In the Mail app on your Mac, select a mailbox in the sidebar.
- Choose Mailbox > Rebuild.
How do I reinstall Apple Mail app?
Just search the App Store for “mail” or “Apple mail”, and then tap the cloud icon to re-download the app. “Mail” in my iPhone App Store search field immediately pulls up the Apple iOS Mail app as the top hit.
Why does my Mail keep crashing on Mac?
Rebuild Your Mailboxes Corrupted mailboxes are another reason that result in Mail app crashes on Mac. Apple knows that, which is why you have the option to rebuild your mailboxes. Note: If the Mail app crashes instantly upon launch, move onto the next fix.
Is Apple Mail not working on El Capitan?
There are still various El Capitan Mail issues that some people are having including mail not sending in El Capitan, mail not being received and many more frustrating bugs. On October 21st Apple released the El Capitan 10.11.1 update which claimed to have fixed Apple Mail problems with outgoing server issues and message display problems.
What to do if Mail app keeps crashing with El Capitan?
If you are still experiencing Mail app keeps crashing with El Capitan or similar problems, consider re-installing the app into your Mac. Or set-up a visit (or chat) with Apple Support, at an Apple Store, via telephone, or online. Use Mail Preferences to Your Advantage Close the Mail app
Why can’t El Capitan retrieve emails from external hard drives?
It seems that in some cases, El Capitan has problems retrieving mail from internet accounts or mail folders stored on external hard drives. especially from iCloud. Or at least, it simply can’t handle having to retrieve masses of email from multiple accounts the first time you use it.
How to fix mail V2 and V3 problems during El Capitan upgrade?
However, sometimes during the upgrade to El Capitan, the V2 and V3 folders get mixed up causing problems. To fix this, El Capitan users should go to the location /Users/ /Library/Mail/V3/MailData/Envelope and delete the “Envelope” file.