Article ID: 229911 - View products that this article applies to.
This article was previously published under Q229911
This article provides an overview of how Microsoft Outlook stores Microsoft Visual Basic for Applications code, and how you can manage multiple projects.
Unlike other Microsoft Office programs, Microsoft Outlook supports only one Visual Basic for Applications project at a time. The project, Project1, is available and associated with the program at all times. It is not possible to add another project in the Visual Basic Editor.
Project1 is stored on your hard disk as VbaProject.OTM in the following folder:
Drive:\Windows\Application Data\Microsoft\OutlookNOTE: The location of the Application Data folder may vary depending on the configuration of user profiles in Windows. To locate the file, follow these steps:
If you want to switch between projects, add one additional step to the previous steps:
IMPORTANT: Although you can do this, Microsoft Product Support Services cannot support deploying solutions in this way. There are known issues with doing this, and Outlook was not designed to support this functionality. For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
290780If you are developing a solution that you intend to distribute to more than a few people, you should convert your Visual Basic for Applications code into an Outlook COM Add-in. However, developing a COM Add-in typically requires considerable more programming knowledge than creating a short macro, so if your Visual Basic for Applications project is relatively simple, and there are not too many people that need to use it, you may want to send them the code with instructions on how to set it up. For additional information about finding resources to learn how to create a COM Add-in, click the article number below to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/290780/EN-US/ )OL2002: Code Does Not Work After You Distribute a VBA Project
(http://support.microsoft.com/kb/291163/EN-US/ )OL2002: How to Create a COM Add-in for Outlook
For additional information about available resources and answers to commonly asked questions about Microsoft Outlook 2000 solutions, please see the following article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/146636/EN-US/ )OL2000: Questions About Custom Forms and Outlook Solutions