We have been getting a few requests for code to automate the import of bank holidays in Outlook and prevent duplication. The easiest way to achieve this was to actually use the updated Outlook.hol file containing bank holiday definitions that Outlook uses when using the holiday import wizard. I have...

We have been getting a few requests for changing the name of the root folder in Outlook 2010 following an SMTP address change, to reflect the new SMTP address of the users. For that I have written an Outlook add-in that performs an Active Directory lookup of the old SMTP address (current root folder...

We have recently had a case where the BeforeItemMove event wasn’t being triggered when switching between two calendar folders in Outlook 2007 or 2010.   To subscribe for the event we were using the Outlook.Explorer.CurrentFolder property to retrieve the currently selected folder and that same object...

As described in a previous blog , there is unfortunately a known issue with drag/drop and Outlook 2010. The previous blog describes the issue and also demonstrates a workaround that can be used when needing to implement drag/drop in an Outlook add-in. A recent case highlighted another scenario in which...

Outlook add-ins seem popular again at the moment (we seem to go through phases as to the kind of cases that come in), and one question that has come up a few times now is how to create an add-in that targets both Outlook 2007 and 2010. Fortunately, so long as you are using Visual Studio 2010, this is...

A recent case highlighted an unusual issue verified against Outlook 2010. If you have spell-checking enabled (and it usually will be by default), and also have the "Ignore original message text in reply or forward" option checked (found in Mail Options), there is an issue when programmatically replying...

When a question pops up twice in a short space of time, it's usually worthy of a blog. Outlook when running in cached mode against Exchange has a Sync Issues folder. In here you will find details of any issues that occur when Outlook syncs it's offline cache with Exchange. If there are problems with...

We have recently had a few cases where the customers were having some issues with using the code published in the Knowledge Base article 171636 (How to add more Exchange mailboxes to a MAPI profile) with Outlook 2010. When running the code, the additional mailbox either wasn't added to the profile or...

We have had a few cases come up recently to do with issues implementing drag and drop in an Outlook add-in. There is an issue in Outlook 2010 that doesn't release selected items once they have been dragged to a drop-target. This means that once the drag/drop operation has been completed, the items selected...