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In this post, we will see how to programmatically filter/restrict items “To” property. Let we take this scenario. In Outlook, we notice it contains 6 items “To” property containing “Deva G”:   Note:In specifying a filter in a Jet or DASL query, if you use a pair of single quotes to delimit...

Recently one of my customer reported that Outlook is not showing latest free/busy information for selected users. Initially they tried the following steps for the affected users: Exit Outlook Open Command prompt > Open Outlook with cleanfreebusy switch (outlook.exe /cleanfreebusy) It failed to resolve...

Are you an MAPI developer? Then, this article is targetted for you. The API elements (like, IXPLogon::RegisterOptions, OPTIONDATA, OPTIONCALLBACK, IMAPISession::MessageOptions, IMAPISession::QueryDefaultMessageOpt, IAddrBook::RecipOptions, IAddrBook::QueryDefaultRecipOpt)  are deprecated in Microsoft...

In addition to previous article, I would suggest you to have a look at the related articles for reference/samples etc: Microsoft Office Outlook 2003 Inside Out 101 VBA samples for Office 2010 VBA for Office developers Office 2003 Editions: Outlook VBA Language Reference Automating Outlook from a Visual...

By using Visual Basic for Applications (VBA), a simple but powerful programming language that you can use to extend Office 2010 applications with new capabilities and automate repeated tasks. I remember VBA is used for a long time in Microsoft Office based applications. I thought to combine the list...

This is one common question from our customers - whether they can programmatically download an Offline address book through the Outlook Object Model or not. The answer is “No”. Offline address book downloads are not exposed through the Outlook object model.

Outlook Social Connector providers should return errors to the caller. Please note that Success, warning, and error values are returned by using a 32-bit number that is called a result handle, or HRESULT. An HRESULT is not a handle to anything; it is merely a 32-bit value that has several fields encoded...

The Outlook Social Connector is a set of new features to help keep track of your friends and colleagues while enabling you to grow your professional network. The Outlook Social Connector is available now as part of the Microsoft Office 2010. The Outlook Social Connector (OSC) brings social views of your...

In this post, I will show you how to make use of usemap attribute of img HTML element in HTML emails programmatically. For this, I used Outlook 2010 VBA & Outlook Object Model. You can design the application with C# or VB.Net with Outlook Object Model library as per your wish. We will do this exercise...

In this post we will see how to assign a web page to a specific Outlook folder programmatically using C# and Outlook Object Model. For this I tried the following sample, which checks for a folder named “HtmlView” in Microsoft Office Outlook. If the folder does not exist, the code creates the folder and...

Recently one of my developer customer (developer of PC and mobile based applications) was asking is there any difference available between Outlook Object Model (OOM) API and Pocket Outlook Object Model (POOM) API? If yes, where it's documented? As you know, the Pocket Outlook Object Model (POOM) API...

Recently one of my developer customer migrated from Outlook 2003 to 2010. He tried running the custom application (uses CDO & Outlook 2003) in Outlook 2010. It throws the error “ActiveX component can’t create object”.  Using the following test sample, I can reproduce the exact issue at my end...

In Outlook 2010, you have a way to check whether the search is synchronous or asynchronous or not. Just created a small code snippet (below) for the reference – you can notice that I just call the application.IsSearchSynchronous() and pass the look in folder which want to try. The path name of the folders...

Try the following steps to disable add-ins in Outlook 2007 (it also applies to InfoPath 2007, Project 2007 and Visio 2007) On the Tools menu, click Trust Center. In the categories pane, click Macro Security. In the details pane, select No Warnings and Disable All Macros or Warnings for signed macros;...

Recently one of my customer updated that he got a requirement to programmatically retrieve unread messages from any Outlook folder to be implemented part of his application. We tried the following steps -  Will show you how you can programmatically retrieve unread messages from any Outlook folder...

In Outlook, custom Outlook forms are not supported for use with HTTP-based mail services (such as Microsoft Hotmail). Outlook does not prevent you from using custom form features if you are using an HTTP-based mail service. However, some features do not work correctly. The features do not work correctly...

Developers do complain when they use multi-threading the Outlook Object Model (OOM) API, it fails or hangs inside and outside of Outlook?  The reason behind this is the Outlook Object Model is not thread safe which means that COM will never allow multiple threads to enter concurrently.  Instead...

Being Exchange/Office developer, you make use of Outlook Object Model (OOM) API to can handle the mailbox items programmatically and process as per your wish. Let me walkthrough through this sample: 'Declaration block Dim iOut As Outlook.Application Dim iNs As Outlook.NameSpace Dim iFldr As Outlook...

You can try when you do programming with VB.Net and Outlook automation: When you start automation code by declaring object variables with a specific object type that represents the top-level object and then declaring any child objects you want to reference. Dim olApp As Outlook.Application ...

If you’re the Office/Messaging developer and use Outlook 2010 beta for developing applications, then this article is for you. Microsoft published Outlook 2010 – Developer reference . These developer references are in HxS format, as opposed to CHM format. It also contain related information about the...

With respect to my previous blog post , i want to add more information regarding the Outlook Object Model changes. Being Messaging developer, it’s a must for us to understand and keep in-track, Outlook 2010 Object Model changes available since earlier versions. I request you to refer the MSDN article...

Couple of Outlook 2010 beta users reported that they can’t find the old VBA (Visual Basic for Applications) and Visual Basic Editor in new Outlook 2010? Whether the feature is removed? With respect to my last blog post , VBA is available with Outlook 2010. Let me explain in-detail. We know about how...

Per Randy’s blog post , Exchange Client Extension (ECEs) deprecation does (for Outlook 2010) matters the developers. For more information please refer the excerpts of the blog post: “For most Outlook users, this announcement will not concern you. However, if you are a developer that uses Exchange Client...

Collaboration Data Objects (CDO) 1.2.1 is a client library that provides a thin wrapper over Extended MAPI functionality. CDO does not install with Outlook 2010, and is available only as a download. For more information, see Collaboration Data Objects, version 1.2.1 in the Microsoft Download Center....

Outlook Object Model Changes Per Randy’s reference , the Outlook object model has new objects, properties, methods, and events that support new Outlook 2010 features programmatically. Other improvements to the object model address frequent developer requests for specific changes to the Outlook platform...