Microsoft Office 365 articles, fixes and updates - letter O

This list contains all of the known Microsoft Knowledge Base articles, howtos, fixes, hotfixes, webcasts and updates of Microsoft Office 365 starts with letter O that have been released. The list is daily updated.

• 3020073 Office 365 setup freezes: Office is installing in the background (%) Q3020073 KB3020073 January 26, 2021
• 3142536 Office documents don’t recognize Image Color Management when printed Q3142536 KB3142536 January 25, 2021
• 2792924 Office 365 admin can't access the Exchange Control Panel of an Exchange Online user Q2792924 KB2792924 January 25, 2021
• 2758215 On-premises users can't consistently view free/busy information for Office 365 users in a hybrid deployment Q2758215 KB2758215 January 25, 2021
• 2655142 Outlook Junk Email settings ignored after you move a mailbox to Exchange Server 2010 Q2655142 KB2655142 January 25, 2021
• 2459968 Outlook 2011 for Mac doesn't automatically set up your email server settings for Exchange Online in Office 365 Q2459968 KB2459968 January 25, 2021
• 2441551 Outlook performance is slow in the Office 365 environment Q2441551 KB2441551 January 25, 2021
• 4516672 Outlook shows “Disconnected” after you enable modern authentication in Office 365 Q4516672 KB4516672 January 14, 2021
• 2506626 Outlook Web App opens in the light version when it's used in Office 365 even though the user has a supported web browser Q2506626 KB2506626 May 31, 2020
• 2332495 Outlook can't connect through a proxy that's set up by using a file://–based PAC file Q2332495 KB2332495 May 31, 2020
• 4020721 Office 365 ProPlus updates (April 20, 2017) Q4020721 KB4020721 April 29, 2020
• 3053602 Outlook 2016 for Mac: Permissions error when you import an Outlook 2011 identity Q3053602 KB3053602 April 17, 2020
• 2879429 Outlook can't connect to Exchange Online, or a user can't create new Outlook profiles in Office 365 Q2879429 KB2879429 November 19, 2019
• 2725168 Outlook for Mac 2011 doesn't connect to Exchange Online Q2725168 KB2725168 November 19, 2019
• 2730609 On-premises users aren't getting email messages from Office 365 users in an Exchange hybrid deployment Q2730609 KB2730609 November 18, 2019
• 2885002 Outlook moves messages to the Junk Mail Folder even if the Spam Confidence Level (SCL) is -1 Q2885002 KB2885002 November 14, 2019
• 2995030 One or more Azure Active Directory sync services don't start Q2995030 KB2995030 September 16, 2019
• 2709902 Object deletions aren't synchronized to Azure AD when using the Azure Active Directory Sync tool Q2709902 KB2709902 September 16, 2019
• 2643629 One or more objects don't sync when the Azure Active Directory Sync tool is used Q2643629 KB2643629 September 16, 2019
• 2951260 "Oops! We encountered an unexpected error while contacting you" message when you try to reset your password in Azure, Office 365, or Intune Q2951260 KB2951260 July 18, 2019
• 2417592 Owners of an on-premises distribution group that's synced to Office 365 can't manage the distribution group in Exchange Online Q2417592 KB2417592 May 28, 2019
• 2757863 Office 365: Outlook and mobile device connectivity troubleshooting resources Q2757863 KB2757863 May 27, 2019
• 2404385 Outlook can't set up a new profile by using Exchange Autodiscover for an Exchange Online mailbox in Office 365 Q2404385 KB2404385 December 9, 2018
• 2757871 Office 365 mail flow troubleshooting index Q2757871 KB2757871 September 20, 2018
• 4257084 Office 365 is changing its build numbers to a five-digit format Q4257084 KB4257084 August 20, 2018
• 3157564 Office Click-to-Run Perpetual (C2R-P) release for Project 2016 and Visio 2016 Q3157564 KB3157564 August 20, 2018
• 3146650 Office 365 subscription automatic license renewal fails when sppcext.dll is missing Q3146650 KB3146650 August 20, 2018
• 4090816 Office 2013 ADAL does not support SSO Q4090816 KB4090816 February 27, 2018
• 2852113 Office 365 users can't open or view attachments in Outlook Web App Q2852113 KB2852113 October 24, 2017
• 4034269 "Office 365 Enterprise E3 setup is incomplete" error in Office 365 for Mac Q4034269 KB4034269 July 12, 2017
• 4018623 Outlook app access may end after June 1 if EWS application policies are not set up correctly Q4018623 KB4018623 April 5, 2017
• 3147521 Office 365 users aren't automatically signed in to an Office app through their Active Directory accounts after they sign out Q3147521 KB3147521 December 29, 2016
• 2984448 Office 365 users don't receive mail that's sent through Windows Server 2003 Q2984448 KB2984448 December 29, 2016
• 2992335 "One of your on-premises Federation Service certificates is expiring" message in the Office 365 portal Q2992335 KB2992335 December 20, 2016
• 2847591 On-premises Exchange 2003 and Outlook 2003 users can't view free/busy information of Office 365 users in a hybrid deployment Q2847591 KB2847591 December 20, 2016
• 2590447 Office 365 users experience a delay when they receive mail from connected accounts in Outlook Web App Q2590447 KB2590447 December 16, 2016
• 2392274 Office 365 Desktop Setup Tool cannot download updates or you receive an "Your computer is not allowed to connect to the Microsoft Update service" error message Q2392274 KB2392274 December 16, 2016
• 2249804 Office 365 Desktop Setup Tool error message: "Your computer requires an update to the Windows Installer Service" Q2249804 KB2249804 December 16, 2016
• 157961 Only one reply is sent to each sender when the Out of Office Assistant is enabled Q157961 KB157961 October 28, 2016
• 3175070 Office 365 app launcher and menu bar icons are blank Q3175070 KB3175070 October 14, 2016
• 3142643 Office 365 ProPlus cannot receive new updates after you install a language pack from the language pack business bar Q3142643 KB3142643 March 1, 2016
• 2992334 "One of your on-premises Federation Service certificates is expiring" message in the Office 365 portal Q2992334 KB2992334 October 27, 2014
• 2624610 Outgoing message delivery is delayed or rejected in Forefront Online Protection for Exchange and you receive a "Greylisting in action, 451 4.7.1" nondelivery report Q2624610 KB2624610 July 15, 2014
• 2745588 Outlook password expiration notification in Office 365 pre-upgrade Q2745588 KB2745588 June 20, 2014
• 2249744 Office 365 Desktop Setup Tool error message: "You do not have the Windows Update Agent installed on XP" Q2249744 KB2249744 April 24, 2014
• 2793399 Office 365 pre-upgrade users don't receive an "Accepted" message in Outlook from an on-premises room mailbox even though the meeting request is accepted Q2793399 KB2793399 June 19, 2013
• 2803743 Office 365 pre-upgrade users can't add or change delegates in their mailboxes in Outlook for Mac Q2803743 KB2803743 May 17, 2013
• 2847439 Only one site level is displayed on the submenu of a top navigation link in SharePoint Online Q2847439 KB2847439 May 8, 2013
• 2587698 Office 365 pre-upgrade administrators can't sign in to the Forefront Online Protection for Exchange (FOPE) Quarantine service to access mail quarantine Q2587698 KB2587698 February 27, 2013
• 2390518 Office Professional Plus messages appear before you start an Office application Q2390518 KB2390518 February 27, 2013
• 2597392 Office 365 for professionals and small businesses users cannot use Lync 2010 to see presence, send instant messages, or make video calls to Windows Live Messenger users Q2597392 KB2597392 September 1, 2012
• 2531579 Outlook 2010 crashes when users shut down a Windows Vista-based computer on which the Online Meeting add-in for Microsoft Lync 2010 is installed Q2531579 KB2531579 August 31, 2012
• 2653910 Office Professional Plus Q2653910 KB2653910 June 22, 2012
• 2653909 Office 365 for Mac Q2653909 KB2653909 June 22, 2012
• 2410333 Outlook 2007 unexpectedly connects to an on-premises Exchange Server mailbox instead of an Exchange Online server mailbox Q2410333 KB2410333 January 13, 2011
• 2416073 Outlook stops responding after you log on to Microsoft Online Services by using a new user account Q2416073 KB2416073 December 21, 2010