Office 365 - Contacts Sort First, Last instead of Last, First. How to Reset?

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Outlook version
Outlook 365 64 bit
Email Account
Office 365 Exchange
My Office 365 account did something strange yesterday. My contacts have always sorted Last Name, First Name. I was looking up a contact and realized it was now sorting First Name, Last Name. In the contact view, the File As now shows First Last on all contacts. If I create a new contact, it shows correctly as Last, First. I have checked all the sort settings and they all also show Last, First. How can I reset the view without going to each contact and updating the File As name order?

I don't think the Macro would apply. Checking the contacts, the Name fields are correct. I ended up changing them manually. I lost all my custom File As sorting as well (ex., I am a Dell Partner and I had 20 contacts that were filed as Dell (First Name, Last Name) that were reset) and had many contacts that were corrupt and would crash Outlook when I tried to open them. I could recover a contact by sending it back to myself as a vCard, deleting the original contact and then adding it back. I had about a dozen of these out of about 700 contacts. Once I worked through all of the contacts, all my other devices re-synced and everything has been updated to show the correct sorting.

I do sync with an Phone through Office 365, but have had no issues with the sync and settings. They are I their own world with how they sort and show contacts anyway. I haven't imported any contacts.

The sorting issue started after I rebooted on Patch Tuesday. Could there have been an Outlook update that changed or reset the sorting? I noticed that Recover Deleted is now in the folder right-click options and Empty Folder has been moved down.

Thanks for the quick response!
There was a potentially bad patch - it only affects some users and we think you need certain addins installed to be affected. The crashing should like a problem with an earlier update. Do you get an error message? If it mentions wwlib.dl, the problem could be -
No errors when Outlook shut down and no errors in the event logs for Outlook other than the errors where Outlook shut down and restarted. I do not have the patch installed.
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