Outgoing mails stuck in the Outlook and cannot be delivered when you have cached mode enabled to connect with BPOS account

Symptom: You cannot send mail in Outlook with BPOS account connected. Mail items stuck in the Outlook Outbox folder. Other symptoms that you may experience:   OWA/ActiveSync works well and the issue happen only in Outlook. Sometimes it works fine and sometime don’t. If you disable the cache mode, it can connect and send mail…

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You cannot connect two Office 365 accounts in one Outlook profile at the same time

[Symptoms] Some customers find that if they try to configure two or more Office 365 accounts in one Outlook profile, these accounts cannot all connect to the Exchange Online Server at the same time, even though you have configured them correctly. For example, you have name1@domain.com (default account) and name2@domain.com configured, when name1@domain.com is connected…

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Error message when you try to configure Office 365 account in Outlook: "The security certificate was issued by a company you have not chose to trust"

[Symptoms] When you configure a Microsoft Exchange Online account (Office 365 account) in Outlook client application, you receive a security alert after you enter your account credentials:  The security certificate was issued by a company you have not chose to trust. View the certificate to determine whether you want to trust the certifying authority. Note:…

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Outlook 2007 update - performance improvement on large PST/OST files

Office team has released an update for Outlook 2007 which addresses the performance problems customers have reported to us, especially when working with large .PST and .OST files. We highly recommend applying this patch on all systems with Outlook 2007 installed.   Refer to the following KB article for more details about the problem that has…

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Deploy Junk E-mail Lists Throughout Your Organization

As we know, we can set Outlook’s “Safe Senders list”, “Block Senders list” and “Safe Recipients list” to help people protect Spam. However, allowing all users to modify their lists is time-consuming and inconvenient. Now, we can use the following steps to deploy such lists throughout your organization (we will use “Safe Sender list” as…


Security settings in Outlook 2007

As you remember, in our previous newsletter, we introduced the “public folder security forms” which is used in Outlook 2003 to control security settings centrally. In Outlook 2007, we can use either public folder security forms or Group Policy to manage security for attachments and for add-ins. The ability to use Group Policy object (GPO)…

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Outlook Troubleshooting First Aid – disabling add-ins

A lot of Outlook issues are caused by various add-ins. So, disabling all add-ins is a useful step and should be the first step for Outlook troubleshooting.   Please note every add-in will be a subkey under the following subkeys.   HKEY_LOCAL_MACHINESOFTWAREMicrosoftOfficeOutlookAddins HKEY_CURRENT_USERSoftwareMicrosoftOfficeOutlookAddins HKEY_LOCAL_MACHINESoftwareMicrosoftExchangeClientExtensions HKEY_CURRENT_USERSoftwareMicrosoftExchangeClientExtensions   So, to disable all add-ins thoroughly, we can follow…

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