icloud outlook 2007 windows 10

The Outlook 2007 security update KB3191898 13 June 2017 disabled the loading of unregistered MAPI services to make Outlook more secure. To see more information on the issues with this see the MS description of the update at:
https://support.microsoft.com/en-us/help/3191898/descriptionofthesecurityupdatef oroutlook2007june13,2017

The problem is Issue 5 and a workaround is described with the warning that it may make your computer more vulnerable to attack. MS places the blame on third party products.

iCloud can be re-establish for calendars and contacts by using the following procedure, courtesy of Apple support (https://support.apple.com/en-gb/HT204571) :
1. Close Outlook
2. Open iCloud for Windows
3. Deselect the Contacts, Calendars & Tasks checkbox and click Apply
4. Wait a few seconds. Select Contacts, Calendars & Tasks, and click Apply
5. Open Outlook.

The re-establishment is only temporary and has to be repeated each time the computer is restarted.

What is Apple doing to address the issue of an unregistered MAPI service because modifying the Windows 10 registry potentially introduces a vulnerability on the PC and the daily requirement to re-establish the iCloud connection is highly inconvenient?

Would you please explain how to uninstall the update for Microsoft Office Outlook 2007 (KB3191898). My OS is Win10.

Yours is the only solution that I have not tried yet. Nothing else is working. I even did a recovery/restore to previous build on my OS but that did nothing. Files download from the cloud to where, I don't know. I am having exactly the same problem as philrick. I would appreciate a step by step on uninstalling the Outlook update as you have mentioned. Thank you.

Thank you very much. Your solution worked, until I messed something up. The ribbon was back in outlook but the calendars and contact lists were still not showing. I cannot recall what I did next* but I lost the ribbon again. I tried to apply your solution again but the knowledge file was no longer there to be removed. Your solution gave me great hope though! I uninstalled and re-installed icloud for windows. Finally, everything is back to normal. I cannot thank you enough. This happens way to frequently with their updates! I have multiple calendars and contact lists from previous similar issues.

* I think what happened is that I had previously restored my OS to the day bgefore the updates. After I tried your suggestion the first time my OS started re-installing the updates again before I realized it.

There is another setting to avoid installing the update again waiting for a fix by windows:

On Windows 10

Head to Settings > Update & security > Windows Update > Advanced Options

Deselect the option: "Give me updates for other Microsoft products when I update Windows"

Thanks so much! I tried this and removed the update. I did get the ribbon after that but my calendar and contacts. I uninstalled and reinstalled iCloud twice and then it finally brought everything back!!!!! Yea!

For me, at the moment, unic solution is uninstall the update for Microsoft Office Outlook 2007 (KB3191898).

Do you know how can I uninstall this update ?

Thanks for the info. It worked for me. I actually submitted a similar question today. I had to sign out of iCloud and then back in to get the calendar and contacts to appear.

Thank you for the tip!

Thank you SOOO much for this. Worked perfectly, and I'd been messing with it for a couple of hours before I found your post.