Thanks for that Ronni,
In answer to you questions;
A) Updating 10.12 to 10.12.3,
B) No
C) Yes, several times.
Have tried the Safe Boot a couple of times without success.
Do not know where I can access a fresh new version of Mail so currently, am at
a loss.
Regards
John
> On 8 Feb 2017, at 2:00 PM, Ronni Brown <ro...@mac.com> wrote:
>
>
>> On 8 Feb 2017, at 7:22 am, John Thompson <jetj...@optusnet.com.au
>> <mailto:jetj...@optusnet.com.au>> wrote:
>>
>> Since upgrading the Os on my 13” Macbook Pro (2012) Mail will not open. It
>> quits within a couple of secondsor less each time I try toopen it. Is there
>> any way I can re-install Mail for this computer? Do not have any problemson
>> the older MacMini running OS 10.11.6 and Mail 9.3.
>>
>> Thanks in anticipation
>>
>> John Thompson
>
> Hi John,
>
> A couple of questions first:
> A] Is this since upgrading from OS X 10.11.6 to macOS Sierra 10.12? or
> updating macOS Sierra10.12 to 10.12.3?
> B] Do you receive any error message as to why Mail quit?
> C] Have you tried Restarting your MacBook Pro after Mail Quits, then launch
> Mail right after you restart?
>
> I would first suggest you “Try A Safe Boot”
>
> To perform a safe boot, follow these steps:
> 1. Start or Restart your Mac.
> 2. Hold the Shift key immediately when you hear the startup chime, press the
> Shift key and hold it down until the gray Apple logo appears on the screen.
> 3. Release the key when you see the gray Apple logo
>
> Your Mac will complete the startup process, which will take considerably
> longer than usual.
> You’ll eventually see the words “Safe Boot” on the screen—possibly within the
> login window, depending on which version of macOS you’re running.
>
> 4. Open Mail.app as soon as startup process completes.
>
> If rebooting in safe mode solves the problem, you know that some system level
> process is at fault or that one of the caches disabled by safe mode was
> corrupted.
>
> 5. Restart normally and see if the problem is gone.
>
> Regards,
> Ronni
>
> 13-inch MacBook Air (April 2014)
> 1.7GHz Dual-Core Intel Core i7, Turbo Boost to 3.3GHz
> 8GB 1600MHz LPDDR3 SDRAM
> 512GB PCIe-based Flash Storage
>
> macOS Sierra 10.12.3
>
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