There was an old thread from last year, which described a problem with Outlook 2010 Contact records, but which did not offer a definitive solution. This is to follow up with such a solution.
The problem sometimes arises when you try to edit an existing contact record by adding a new email address. When you enter the new email address, and when you then move on to the next field, the new email address sometimes disappears. IOW, Outlook will not allow you to add the email address. This problem appears to be related to Outlook's autofill feature... if you've received an email from the contact using that new email address, Outlook will autofill the Contact email field with that address. But it won't accept it, and it disappears as soon as you move to the next field.
The offered solution from last year's thread was to clear the autofill cache, and to see if that would work. But there was no report as to whether or not that solution worked, and it's rather cumbersome to find and delete the whole cache file. That thread is now closed.
I tried a simpler solution that did work: deleting the offending email address from autofill. This is easily done by starting a new email message to the contact person in question. When you start to type the person's name or email address into the To: line of the new message, Outlook will suggest the offending email address. Simply delete that autofill suggestion (there's an x next to it).
That done, you can get rid of the new email message (not necessary to actually send it), and then re-open the person's contact record. You can now enter the address into the email field, move to the next field, and it should stick. Save the edited contact record, and you're done.
It's peculiar that this problem has been around so long, with no clear solution offered. I've encountered it a few times, and been puzzled about what to do until now.
Hope this helps.
The problem sometimes arises when you try to edit an existing contact record by adding a new email address. When you enter the new email address, and when you then move on to the next field, the new email address sometimes disappears. IOW, Outlook will not allow you to add the email address. This problem appears to be related to Outlook's autofill feature... if you've received an email from the contact using that new email address, Outlook will autofill the Contact email field with that address. But it won't accept it, and it disappears as soon as you move to the next field.
The offered solution from last year's thread was to clear the autofill cache, and to see if that would work. But there was no report as to whether or not that solution worked, and it's rather cumbersome to find and delete the whole cache file. That thread is now closed.
I tried a simpler solution that did work: deleting the offending email address from autofill. This is easily done by starting a new email message to the contact person in question. When you start to type the person's name or email address into the To: line of the new message, Outlook will suggest the offending email address. Simply delete that autofill suggestion (there's an x next to it).
That done, you can get rid of the new email message (not necessary to actually send it), and then re-open the person's contact record. You can now enter the address into the email field, move to the next field, and it should stick. Save the edited contact record, and you're done.
It's peculiar that this problem has been around so long, with no clear solution offered. I've encountered it a few times, and been puzzled about what to do until now.
Hope this helps.