I lost all my contacts.

I'm having the same issue. Woke up this morning and all my Outlook.com contacts were gone off the phone. Re-adding the account doesn't fix it.

Actually I had the same issue, also email are not getting.

Does that means that Outlook server are down?? Hmm...

Seems Outlook is having issues. Won't sync with the Mail app in Windows 10 either.

I noticed this today after the upgrade. I did not lose all but I definitely lost some because I was trying to add a call and could not find the contact, This is very bad as these are my clients!

I had those contacts yesterday

On April 6 at around 7:00 PM CST, my iPhone running iOS 9.3.1 stopped syncing with my Microsoft Outlook account.

The first thing I noticed was all of my Contacts were missing on my iPhone (but, they were still on my PC).

I haven't had any problems with my iPhone syncing with my Outlook email over the last 5 years until now.

My Outlook account is at these servers -

for web mail:
https://blu183.mail.live.com/

for Windows Live Mail 2012:
https://mail.services.live.com/DeltaSync_v2.0.0/sync.aspx

I've tried deleting my Outlook account from my iPhone and re-setting it up and the Outlook account "verifies" correctly - but, this does not solve the problem.

The iPhone keeps displaying a pop-up message:
"Cannot get mail" "The connection to the server failed"

My iPhone is syncing correctly with my Gmail and iCloud accounts.

Also, I set up my Outlook account on my daughter's iPad which is running iOS 8.1.2 and I have the same problem.

This seems to be a situation of Apple's servers not syncing with Microsoft's servers.

I have another Outlook account I use for people I do not know very well. It is on these servers:
for web mail:
https://snt146.mail.live.com/default.aspx

for Windows Live Mail 2012:
https://mail.services.live.com/DeltaSync_v2.0.0/sync.aspx

I receive the same error message on my iPhone for this Outlook account, also.

Thanks

I Just updated yesterday and most of my contacts have also disappeared, did you manage to resolve?

This fix worked for my phone:

1. Delete the two outlook.com and one Hotmail account from my Mail, Contacts, Calendars (under settings)

2. did a full backup of my phone to my PC (for the first time ever :-) I didn't need to, but I did this just in case.

3. Go to Settings, General, Reset, Reset All Settings. It sounds scary, but other than your wallpaper, passcode and wifi password, all your other content remains intact. I checked my app data after restoring and it was fine

4. After restarting, added a new account, of type Outlook, and entered my settings. And voila, all was good.

NOTE: Mind you, for point 4 above, the apple support representative did say I should add an email account of type "other", ignored this but was lucky it was ok. So, if this doesn't work for you, do another reset and try and add an account of type "other".

Umallive,

I want to thank you for solving this problem for me.

Your solution is very, very much appreciated.

I have no idea why it worked. I've added multiple Outlook accounts to several iPhones and iPads and none of them worked. I wonder what the power-cycle is doing to solve the problem? iOS must cache some kind of Outlook setting that won't go away until you power-cycle the iPhone - even after deleting the Outlook account. And, it must be cached in all Apple devices - even those that have never had an Outlook account set up on them.

Mine is working now as well. Don't think it was anything I did, most likely whatever server issue was happening was fixed. I was getting an error with the Windows 10 Mail app as well, but it is now working.

tried that it did nit work still missing some not all contacts

hey It took several minutes but then then showed up

T H A N K Y O U