Outlook 2007 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 Outlook 2007 starts with letter O that have been released. The list is daily updated.

• 2298962 Outlook crashes when you try to send email messages because of a nonexistent delivery location setting in your profile Q2298962 KB2298962 February 8, 2021
• 3099951 October 13, 2015, update for Office Q3099951 KB3099951 January 26, 2021
• 2626707 Outlook connects to the old Exchange server after you move a mailbox from an Exchange Server 2007 server to an Exchange Server 2010 server Q2626707 KB2626707 January 26, 2021
• 968009 Outlook 2007 improvements in the February 2009 cumulative update Q968009 KB968009 January 26, 2021
• 959632 Outlook 2007 may stop responding when you select an e-mail message that is restricted by Information Rights Management Q959632 KB959632 January 26, 2021
• 959625 On a client computer that is running Office Communicator 2007, you may be unable to make a TAPI call from Outlook 2007 or Outlook 2010 Q959625 KB959625 January 26, 2021
• 956531 Outlook 2007 prompts you repeatedly for a password under certain network conditions Q956531 KB956531 January 26, 2021
• 2802193 Outlook does not add recipients to the Auto-Complete cache Q2802193 KB2802193 January 25, 2021
• 2796032 Outlook Junk E-mail protection level changes unexpectedly to Low Q2796032 KB2796032 January 25, 2021
• 2655142 Outlook Junk Email settings ignored after you move a mailbox to Exchange Server 2010 Q2655142 KB2655142 January 25, 2021
• 2643084 Outlook receives a message that has an attachment that is named "not supported calendar message.ics" Q2643084 KB2643084 January 25, 2021
• 2441551 Outlook performance is slow in the Office 365 environment Q2441551 KB2441551 January 25, 2021
• 829982 Outlook blocked access to the following potentially unsafe attachments Q829982 KB829982 January 25, 2021
• 2601637 Outlook 2007 / 2010 status is always offline and can't receive or send mail normally (Easy Fix Articles) Q2601637 KB2601637 January 12, 2021
• 2445711 Outlook Hotmail Connector send/receive error 4403 or 1133 and prompt to repair synchronization configuration Q2445711 KB2445711 January 7, 2021
• 2000439 Outlook: BCC field is not displayed on some items in the Sent Items folder Q2000439 KB2000439 January 7, 2021
• 919541 OneNote buttons may be missing in Outlook Q919541 KB919541 January 7, 2021
• 2914272 Outlook email stuck in the Outbox when LoadTransportProviders registry value exists Q2914272 KB2914272 December 17, 2020
• 2686042 Outlook Anywhere cannot be disabled in Outlook 2007 and in Outlook 2010 Q2686042 KB2686042 December 17, 2020
• 214633 Outlook Meeting Request sent to DL Shows Members As Optional Q214633 KB214633 December 17, 2020
• 2768656 Outlook performance issues when there are too many items or folders in a cached mode .ost or .pst file Q2768656 KB2768656 June 29, 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
• 2497077 Outlook displays incorrect search results of the GAL in Exchange Server Q2497077 KB2497077 April 30, 2020
• 3032395 Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement Q3032395 KB3032395 April 29, 2020
• 968774 Outlook 2007 improvements in the 2007 Office suite Service Pack 2 Q968774 KB968774 April 9, 2020
• 968383 Outlook 2007: New information in the InfoBar for messages in the Junk E-Mail folder Q968383 KB968383 April 2, 2020
• 291615 Outlook cannot connect through a firewall or a proxy server that is performing Network Address Translation (NAT) between public and private networks Q291615 KB291615 April 2, 2020
• 2937277 "Outlook Message Manager (profile_name) (KEY: hex_number)" email items in an Exchange Online mailbox Q2937277 KB2937277 November 14, 2019
• 2885002 Outlook moves messages to the Junk Mail Folder even if the Spam Confidence Level (SCL) is -1 Q2885002 KB2885002 November 14, 2019
• 2839517 Outlook is unable to connect to Exchange 2013 public folder or auto-mapped mailbox Q2839517 KB2839517 November 14, 2019
• 2746896 Outlook may be slower to resolve names because there are no .oab files locally Q2746896 KB2746896 November 14, 2019
• 3056652 Outlook search folders are not populated in Online mode after migration from Exchange 2013 to Exchange 2010 Q3056652 KB3056652 May 20, 2019
• 3044375 Offline item count for a folder in Outlook differs from the server item count Q3044375 KB3044375 May 20, 2019
• 3038305 Outlook.exe.log file in the %Temp% folder consumes too much disk space Q3038305 KB3038305 May 20, 2019
• 2975918 Office 365 credential prompts with AuthenticationService registry value Q2975918 KB2975918 May 20, 2019
• 2859532 Options in Outlook's Resource Scheduling dialog box are disabled Q2859532 KB2859532 May 20, 2019
• 2847732 Outlook application icon missing from the Windows taskbar Q2847732 KB2847732 May 20, 2019
• 2784787 Outlook users prompted for credentials when they switch from a LAN to a WAN Q2784787 KB2784787 May 20, 2019
• 2669081 Outlook error indicates that you are over the Junk E-mail list limit Q2669081 KB2669081 May 20, 2019
• 2646698 Outlook Issues that occur when you use the ExtractOrganizedMeetings registry value Q2646698 KB2646698 May 20, 2019
• 924470 Outlook delegate feature in mixed versions of Microsoft Outlook and Outlook for Mac Q924470 KB924470 May 20, 2019
• 289962 Outlook does not import meeting attendees from certain file types Q289962 KB289962 May 20, 2019
• 2984912 Outlook continually prompts for your password when you try to connect to Office 365 Q2984912 KB2984912 October 22, 2018
• 2552985 Office 2007 Cumulative Update for June 2011 Q2552985 KB2552985 September 25, 2018
• 2449128 Office 2007 Cumulative Update for October 2010 Q2449128 KB2449128 September 24, 2018
• 2396342 Office 2007 Cumulative Update for August 2010 Q2396342 KB2396342 September 24, 2018
• 2528530 Office 2007 Cumulative Update for April 2011 Q2528530 KB2528530 September 19, 2018
• 2984937 Outlook cannot connect to Gmail after July 15, 2014 Q2984937 KB2984937 September 18, 2018
• 2659007 Office Configuration Analyzer Tool (OffCAT) information Q2659007 KB2659007 June 11, 2018
• 3085617 October 13, 2015, update for Outlook 2007 Junk Email Filter (KB3085617) Q3085617 KB3085617 April 22, 2018
• 2213768 Outlook sends multiple updates when updating a recurring meeting that includes exceptions Q2213768 KB2213768 April 19, 2018
• 954284 Outlook 2007 does not send out meeting cancellations if you remove all invited attendees from a previously created appointment Q954284 KB954284 April 19, 2018
• 829235 Outlook may stop responding when you accept a meeting request Q829235 KB829235 April 19, 2018
• 822504 Outlook continues to use old certificates after you migrate from Key Management Server to Public Key Infrastructure Q822504 KB822504 April 19, 2018
• 2678103 Outlook with the Redemption COM library installed crashes after you install security update 2644615 Q2678103 KB2678103 April 18, 2018
• 2485531 Outlook 2007 cannot send or receive email after you install KB2412171 Q2485531 KB2485531 April 18, 2018
• 2000071 Outlook 2007: Troubleshooting Outlook Crashes Q2000071 KB2000071 April 17, 2018
• 940726 Outlook 2007 security warning: "The name of the security certificate is invalid or does not match the name of the site" Q940726 KB940726 April 17, 2018
• 295657 Outlook does not archive messages as expected based on the received date Q295657 KB295657 April 17, 2018
• 286166 Outlook Calendar and Task reminders do not appear as expected Q286166 KB286166 April 17, 2018
• 252304 Outlook may not start correctly when you use Windows XP Q252304 KB252304 April 17, 2018
• 236032 Outlook Express and Outlook repeatedly prompt you for your password when you check messages on an Exchange Server-based computer Q236032 KB236032 April 17, 2018
• 234487 Outlook: Send To Mail Recipient opens an Outlook plain text message Q234487 KB234487 April 17, 2018
• 2180568 Outlook: Policy setting to disable the Junk E-mail UI and filtering mechanism Q2180568 KB2180568 April 16, 2018
• 280966 Outlook Delivery receipts are not supported in a Hotmail account Q280966 KB280966 April 16, 2018
• 3009161 OffCAT scan is incomplete when DefaultProfile is not specified in the registry Q3009161 KB3009161 December 3, 2017
• 2006508 Outlook connection issues with Exchange mailboxes because of the RPC encryption requirement Q2006508 KB2006508 October 31, 2017
• 2264398 Outlook: Unable to perform a Check Name or connect to an Exchange mailbox Q2264398 KB2264398 October 20, 2017
• 2231628 Outlook Hotmail Connector users see error (0x8004102A) : ‘Error with Send/Receive’ during normal sync Q2231628 KB2231628 June 6, 2017
• 2769651 Outlook search returns No matches found Q2769651 KB2769651 March 31, 2017
• 826491 Outlook files remain on the hard disk after you remove Outlook 2003 or Outlook 2007 Q826491 KB826491 March 29, 2017
• 825935 Office templates are missing from the New Office Document dialog box in Office Q825935 KB825935 March 29, 2017
• 157961 Only one reply is sent to each sender when the Out of Office Assistant is enabled Q157961 KB157961 October 28, 2016
• 2803733 Office programs may crash with the SendToBluetooth add-in installed Q2803733 KB2803733 December 16, 2015
• 2025782 OneNote 2010 page with equation, when used with Outlook 2007 results in blank page Q2025782 KB2025782 December 12, 2015
• 912725 Outlook 2007 does not generate the "Welcome to Microsoft Office Outlook" e-mail message that is generated in earlier versions of Outlook Q912725 KB912725 December 9, 2015
• 3047542 OffCAT automatically does an Offline scan when either OffCAT or Outlook is started with 'Run as administrator' Q3047542 KB3047542 December 8, 2015
• 3089746 Outlook tools: Description of sample tools for managing PST files in your Outlook Profile Q3089746 KB3089746 September 1, 2015
• 2000021 Outlook tools: Description of sample tools for managing PST files in your Outlook Profile Q2000021 KB2000021 September 1, 2015
• 3014900 Outlook does not return search results Q3014900 KB3014900 February 12, 2015
• 2000634 Outlook 2007: How to block the export of entries from the Global Address List (GAL) using group policy Q2000634 KB2000634 January 16, 2015
• 2000018 Outlook: Meetings are off by 1 hour during DST delta with BlackBerry Enterprise Server in the environment Q2000018 KB2000018 January 16, 2015
• 971189 Outlook freezes when typing an e-mail message when the Project Web Access add-in is installed Q971189 KB971189 January 16, 2015
• 969843 Outlook 2007: Asynchronous Server Connections are not disconnected when Public Folder Server is down Q969843 KB969843 January 16, 2015
• 948983 Outlook 2007 takes longer than expected to populate the preview pane when you receive an encrypted e-mail message Q948983 KB948983 January 16, 2015
• 943356 Outlook 2007 prompts you for your credentials when you connect to a LAN with a smart card Q943356 KB943356 January 16, 2015
• 940553 Outlook 2007 does not use the Windows "Selected Items" color to select an item Q940553 KB940553 January 16, 2015
• 923581 Outlook 2007 messages unexpectedly open in Word 2007 Q923581 KB923581 January 16, 2015
• 923578 Outlook 2007 may stop responding when you use the handwriting feature on a tablet computer to enter a password Q923578 KB923578 January 16, 2015
• 912724 One or more occurrences of an appointment that has an attachment in Outlook 2007 is displayed without the attachment when you view the Calendar List in Windows SharePoint Services 3.0 Q912724 KB912724 January 16, 2015
• 903775 Office updates are offered to a user even if that user has installed those updates when you use WSUS to deploy software updates and hotfixes to computers that are in your organization Q903775 KB903775 January 16, 2015
• 839945 Office programs do not appear in the Journal Options dialog box in Outlook 2002 and in Outlook 2007 Q839945 KB839945 January 12, 2015
• 832396 Outlook 2003 and Outlook 2007 only use TCP/IP or HTTP protocol bindings connecting to an Exchange Server Q832396 KB832396 January 12, 2015
• 290663 Outlook does not run VBScript code when you open an item Q290663 KB290663 January 12, 2015
• 324921 Other programs do not work after you exit Outlook Q324921 KB324921 December 31, 2014
• 828218 Only the first e-mail address appears as the sending address when you sign an e-mail message by using a certificate that has multiple e-mail addresses in Outlook Q828218 KB828218 December 25, 2014
• 826969 Only the client-side "Move to PST File" rule appears to be applied to messages when you use both server-side and client-side rules in Outlook 2007 or in Outlook 2003 Q826969 KB826969 December 25, 2014
• 303221 Outlook MAPI profiles may get programmatically deleted before the MAPI program’s session ends Q303221 KB303221 December 25, 2014
• 318448 "Operation failed" error when you restore or maximize a custom form Q318448 KB318448 December 24, 2014
• 291506 Outlook blocks a link in a message when you use the "Send a Link by E-mail" feature in Internet Explorer Q291506 KB291506 December 24, 2014
• 281924 Outlook does not forward a read or delivery receipt Q281924 KB281924 December 24, 2014
• 2899475 October 14, 2014 update for Outlook 2007 Junk Email Filter (KB2899475) Q2899475 KB2899475 October 14, 2014
• 2745588 Outlook password expiration notification in Office 365 pre-upgrade Q2745588 KB2745588 June 20, 2014
• 824117 Outlook 2007 and Outlook 2003 may stop responding when an e-mail address is verified Q824117 KB824117 February 27, 2014
• 2934475 Outlook: Some properties lost when a message is forwarded by an Inbox rule in Exchange 2010 Q2934475 KB2934475 February 24, 2014
• 2904339 Outlook crashes and event ID 1000 is triggered by NRTMsgLibn.dll Q2904339 KB2904339 November 26, 2013
• 2904331 Outlook crashes with an Error event in the Olmapi32.dll module Q2904331 KB2904331 November 26, 2013
• 2901055 Outlook performance issues if TerminalServerSpellingStart policy value set too high Q2901055 KB2901055 October 22, 2013
• 2006728 Outlook displays the Security Alert dialog box when Exchange is using a self-signed certificate Q2006728 KB2006728 September 5, 2013
• 2708641 Outlook Support diagnostic - Full, medium, lite version details Q2708641 KB2708641 September 3, 2013
• 2000633 Outlook 2007: You are unexpectedly prompted to upgrade your .ost file to Unicode mode when you start Outlook Q2000633 KB2000633 September 3, 2013
• 956647 Outlook 2007 does not honor the folder structure that was created in Internet Explorer 7 for the RSS Feeds folder Q956647 KB956647 September 3, 2013
• 196804 Outlook Error Message: The End Date Occurs Before the Start Date Date Q196804 KB196804 September 3, 2013
• 948981 Outlook 2007 takes longer than expected to show free/busy information for meeting participants Q948981 KB948981 August 6, 2013
• 2874206 Outlook error 0x80041059 "Could not authenticate against the Windows Live ID service" Q2874206 KB2874206 July 25, 2013
• 2832228 2007 Office system cumulative update for April 2013 Q2832228 KB2832228 April 19, 2013
• 905803 Outlook users experience poor performance when they work with a folder that contains many items on a server that is running Exchange Server Q905803 KB905803 April 19, 2013
• 244330 Outlook error PST is in use by another application Q244330 KB244330 March 12, 2013
• 2800778 2007 Office system cumulative update for February 2013 Q2800778 KB2800778 February 13, 2013
• 2789670 2007 Office system cumulative update for December 2012 Q2789670 KB2789670 December 12, 2012
• 2785966 Outlook stops responding (hangs) if your profile has double-byte characters in the name Q2785966 KB2785966 November 20, 2012
• 2757116 2007 Office system cumulative update for October 2012 Q2757116 KB2757116 November 5, 2012
• 933793 Outlook 2010 and Outlook 2007 use only Word as the email editor Q933793 KB933793 October 8, 2012
• 2764000 Outlook may hang when the Navigation Pane has hundreds of shortcuts Q2764000 KB2764000 October 1, 2012
• 2704983 Outlook does not automatically determine your email address when you create a new profile Q2704983 KB2704983 September 27, 2012
• 2730386 2007 Office system cumulative update for August 2012 Q2730386 KB2730386 September 5, 2012
• 2488026 Outlook Anywhere prompts for credentials during 14-day expiry notification period Q2488026 KB2488026 August 31, 2012
• 2712234 2007 Office system cumulative update for June 2012 Q2712234 KB2712234 June 26, 2012
• 2710636 Outlook cannot encrypt by using AES when Outlook is running on Windows XP Q2710636 KB2710636 May 10, 2012
• 2658224 2007 Office system cumulative update for February 2012 Q2658224 KB2658224 May 8, 2012
• 2685445 2007 Office system cumulative update for April 2012 Q2685445 KB2685445 April 24, 2012
• 2025571 "Outlook.ost is not a personal folders file" error starting Outlook Q2025571 KB2025571 April 11, 2012
• 2317686 Outlook 2007 and Outlook 2010 Troubleshooting Methodology: Crashes Q2317686 KB2317686 April 9, 2012
• 249129 Outlook: Signature Not Inserted When "Send To" Mail Recipient is Used Q249129 KB249129 April 9, 2012
• 2686906 Order of folder synchronization for Outlook 2007 and for Outlook 2010 Q2686906 KB2686906 April 2, 2012
• 2693800 OOF, MailTips, or Availability (free/busy) cannot be retrieved when Primary SMTP address changes Q2693800 KB2693800 March 23, 2012
• 2678099 Outlook with the Redemption COM library installed crashes after you install security update 2644615 Q2678099 KB2678099 February 22, 2012
• 2588820 Office 2007 Cumulative Update for August 2011 Q2588820 KB2588820 January 20, 2012
• 2639880 2007 Office system cumulative update for December 2011 Q2639880 KB2639880 January 17, 2012
• 2261195 Outlook 2007 and Outlook 2010 add "Copy:" to the subject when you copy a meeting Q2261195 KB2261195 December 2, 2011
• 2621487 Outlook 2007 crashes when you open a shared calendar Q2621487 KB2621487 November 2, 2011
• 2618124 Office 2007 Cumulative Update for October 2011 Q2618124 KB2618124 October 26, 2011
• 981977 Office Outlook 2007 does not display the Windows logon domain and username when you are prompted for your login credentials Q981977 KB981977 October 6, 2011
• 2540817 Outlook 2007 prompts for credentials after Exchange CAS is restarted Q2540817 KB2540817 September 15, 2011
• 956297 Outlook 2007 unexpectedly connects to an on-premise Exchange Server 2007 server mailbox instead of an Exchange Online server mailbox Q956297 KB956297 July 14, 2011
• 2023607 Outlook synchronization error [80004005-501-4B9-560] with a Microsoft Exchange Server 2010 mailbox Q2023607 KB2023607 May 13, 2011
• 2530497 Outlook: Unable to save modified permissions to Outlook folder Q2530497 KB2530497 March 31, 2011
• 2493732 Office 2007 Cumulative Update for February 2011 Q2493732 KB2493732 February 24, 2011
• 2479671 Office 2007 Cumulative Update for December 2010 Q2479671 KB2479671 January 6, 2011
• 2449281 Outlook does not close after you install iTunes or another add-in Q2449281 KB2449281 December 31, 2010
• 2287519 Outlook does not support rendering all types of folder home pages Q2287519 KB2287519 September 30, 2010
• 2001972 Outlook 2007: Body of HTML e-mail messages are blank Q2001972 KB2001972 August 5, 2010
• 981579 Outlook stops updating the screen correctly after Outlook 2007 is running for a long period of time Q981579 KB981579 July 6, 2010
• 826494 Outlook may stop responding after you install Office XP on a computer that has Office 2003 installed Q826494 KB826494 May 19, 2010
• 958934 Outlook 2007 crashes or you cannot access OOF settings after you install a package that contains the .NET Framework 3.5 with SP1 and the .NET Framework 2.0 with SP2 on an Exchange 2007 Client Access server or on an Exchange 2010 Client Access server Q958934 KB958934 January 14, 2010
• 2000815 Outlook 2007: Folders moved in a shared mailbox are not displayed correctly on another machine in cached mode Q2000815 KB2000815 July 27, 2009
• 970928 Outlook Tools: description of sample tools for managing PST files in your Outlook Profile Q970928 KB970928 May 4, 2009
• 969665 Outlook: Meetings are off by 1 hour during DST delta with BlackBerry Enterprise Server in the environment Q969665 KB969665 March 30, 2009
• 969599 Outlook: Disabling Meeting Regeneration is not recommended as it may cause problems with your calendar Q969599 KB969599 March 27, 2009
• 969375 Outlook 2007: ShowSenderPhoto OutlookAddin.Connect is listed in the Disabled Items dialog box after installing the February 24, 2009 Cumulative Update Q969375 KB969375 March 23, 2009
• 968416 Outlook:URL Protocol is Not Functional in Outlook 2007 Q968416 KB968416 February 27, 2009
• 958977 Outlook 2007 POP3 or IMAP4 clients using TLS receive a “Target Principal Name is Incorrect” certificate error when connecting to Small Business Server 2008. Q958977 KB958977 October 17, 2008
• 957498 Outlook Time Zone Data Update Tool 2.0 and earlier versions of this tool do not correctly rebase any calendar item that was created in the Brasilia time zone Q957498 KB957498 September 10, 2008
• 195980 Outlook e-mail message flagged "You replied on <date> <time>" in error Q195980 KB195980 September 5, 2007
• 938941 Outlook 2007 may close unexpectedly (crash) when you try to start Outlook 2007 under an existing profile Q938941 KB938941 June 28, 2007
• 291525 Opening HTML message results in multiple dial-up prompts Q291525 KB291525 May 29, 2007
• 924469 Outlook 2007 supports Internet Protocol version 6 (IPv6) Q924469 KB924469 April 25, 2007
• 924467 Only the headers are downloaded to the folders on which you selected the "Download the complete item including the attachments" option in Outlook 2007 Q924467 KB924467 April 25, 2007
• 923579 Outlook 2007 prompts you repeatedly for your e-mail account credentials Q923579 KB923579 April 25, 2007
• 913114 Outlook item data that is in Outlook 2007 still remains in the .pst file when you move the .pst file to an earlier version of Microsoft Outlook Q913114 KB913114 April 25, 2007
• 555842 Outlook 2007 and Exchange 2007 Certificate issue Q555842 KB555842 April 5, 2007
• 284367 Outlook is not automatically the default e-mail client after upgrade from Netscape e-mail client Q284367 KB284367 March 27, 2007
• 820868 Outlook 2007 and Outlook 2003 do not recognize a comma as an e-mail address separator Q820868 KB820868 March 1, 2007
• 307313 Outlook 2000 iCalendar interoperability problems Q307313 KB307313 January 31, 2007
• 292859 Outlook contacts that reference GAL entries display Exchange addresses when you are offline Q292859 KB292859 January 31, 2007
• 287783 Outlook does not dial the modem when the network cable is unplugged Q287783 KB287783 January 31, 2007
• 280852 Outlook does not dial second account, and an error message occurs: "Port is already in use" Q280852 KB280852 January 29, 2007
• 278214 Outlook appears to stop responding when you use Word to create a new e-mail message Q278214 KB278214 January 29, 2007
• 278089 Outlook Rules Wizard condition "On this machine only" does not have corresponding exception Q278089 KB278089 January 29, 2007
• 821679 Outlook objects are not trusted if you access them by using the IOutlookExtCallback callback in an Exchange Client Extension Q821679 KB821679 January 12, 2007
• 197119 OL2000: Deleting Appointments in Outlook Today Deletes Entire Series Q197119 KB197119 November 5, 2003
• 222328 OL2000: (CW) How to Change File LockTimeout Value for PST Inactivity Q222328 KB222328 October 23, 2003