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More severe than mine, I just could connect/sync new mail on mine but the accounts were there!
 
Updated to iOS 7.0.6 and went to check emails and it says "Welcome to Mail" like I'm a brand new iPhone user!!!:eek:

*Had to enter my Apple ID and all but two email accounts appeared...

Curious. What email service were those two. I ask because 7.0.6 is an SSL bug fix. That connection might be the reason those two need to be reset.
 
I take it you never formatted your hard drive and reinstalled Windows once in a while either?

You bet I did. But only because it was to the point where it was totally unusable every few months. That was in 2005, so the last version of Windows I used was XP. It was what made me switch to a Mac. I got a 14 inch iBook G4 1GB RAM with 60GB hard drive and Bluetooth. (Last release before the switch to Intel and renaming it MacBook). It ran OS X Tiger and it was such a huge weight lifted off my shoulders after coming from Windows. I've been upgrading ever since. There was only one time a few years ago that I started fresh and manually copied over my important files but that was only because I had way too many junk files on the computer and a lot of leftover stuff from the PowerPC days after I got an Intel MacBook.

As for iPhones...no. I've been upgrading iOS from backups ever since iOS 2.
 
Therein could be the answer. Outlook might be using Exchange or a variation on it and the update caused a reboot of some kind to some security element that can initial be fixed by setting up the accounts again.

I did not lose my outlook.com or exchange email after upgrading.
 
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