If you rely on VBA macros to automate tasks in Classic Outlook, you may have discovered that the New Outlook for Windows does not support VBA at all. Microsoft removed the VBA engine from the New Outlook architecture to improve security, performance, and cross-platform compatibility. This article explains why Classic Outlook supports VBA macros, why … Read more
Many business users rely on COM add-ins to extend Outlook with custom email processing, CRM integrations, or compliance tools. The new Outlook for Windows, currently in preview, does not support COM add-ins because it is built on a web-based Outlook platform. This article explains why COM add-ins are not available in new Outlook, what Microsoft … Read more
Many business users rely on Classic Outlook MAPI automation to send emails, create calendar items, or manipulate contacts programmatically from external applications like Excel, Access, or custom business software. In the new Outlook for Windows, Microsoft removed the MAPI subsystem, which means these automation scripts and macros will fail with errors such as “ActiveX component … Read more
If you rely on scripts or add-ins that use Outlook Object Model automation to manage emails, calendars, or tasks, you have likely discovered that the new Outlook for Windows does not support this technology. The classic Outlook for Windows uses the Outlook Object Model to allow external programs like VBA scripts, COM add-ins, and third-party … Read more
If you rely on custom forms built with Outlook forms designer or VBScript, you are likely wondering if New Outlook can completely replace Classic Outlook. Custom forms handle tasks like expense reports, leave requests, and inventory tracking directly inside email messages or calendar items. New Outlook, built on a web-based platform, does not support the … Read more
Classic Outlook users who rely on custom content forms for data entry and workflow automation will find these forms missing in the new Outlook for Windows. Microsoft has not ported the custom form engine to the new Outlook client, leaving a functional gap for businesses that depend on forms for tasks like time tracking, expense … Read more
When you try to open or save Outlook data files such as PST or OST files on a network share, you may see errors or the operation may silently fail. This happens because the new Outlook for Windows does not support accessing data files over standard network paths, including mapped drive letters. This article explains … Read more
If you used the Connect to Outlook button in SharePoint to sync a list or library into the classic version of Outlook, you may have noticed that the new Outlook does not support this feature. The Connect to Outlook function created a copy of SharePoint data as an Outlook folder that updated periodically. In the … Read more
If you rely on the Notes module in classic Outlook to store quick ideas, meeting reminders, or project notes, you may have noticed that the new Outlook for Windows does not include a dedicated Notes module. The Notes feature was a simple sticky-note-style tool that lived in the folder pane of classic Outlook. This article … Read more
Classic Outlook users transitioning to the new Outlook for Windows often find that the familiar Tasks feature behaves differently. The new Outlook replaces the standalone Tasks pane with a dedicated To Do board powered by Microsoft To Do. This change affects how you create, view, and sync tasks across devices. This article explains how the … Read more