You upgraded to the new Outlook for Windows and discovered that your trusted COM add-ins no longer appear on the ribbon or in the add-in manager. The new Outlook uses a web-based platform that does not support traditional Component Object Model add-ins built for the classic desktop client. This article explains why COM add-ins are … Read more
If you rely on MAPI automation to connect third-party applications or custom scripts to Outlook, you have likely discovered that the new Outlook for Windows no longer supports this technology. MAPI (Messaging Application Programming Interface) allows external programs to send, receive, and manipulate email items programmatically. This article explains why MAPI support was removed, what … Read more
If you write scripts or add-ins that automate Outlook using the Outlook Object Model or VBA, you have likely heard that Microsoft is replacing Classic Outlook with New Outlook. The core question is whether New Outlook supports the same automation features that your existing code depends on. New Outlook is built on a web-based platform … Read more
Classic Outlook users who rely on custom forms to standardize data entry, automate workflows, or enforce business rules will find that the new Outlook for Windows does not support custom forms. This gap affects tasks such as incident tracking, approval requests, and structured email templates that were built using the Outlook Forms Designer. This article … Read more
If you use custom forms in the classic version of Outlook, you may have noticed that the new Outlook for Windows does not support them in the same way. Custom forms are a powerful feature in classic Outlook, allowing organizations to create tailored data entry, approval, or tracking interfaces. The new Outlook replaces this with … Read more
When you move from Classic Outlook to the New Outlook for Windows, files stored on network shares may stop working correctly. This includes email signatures, attachments, or linked files that reference a network drive or a UNC path. The root cause is a deliberate security and performance change in the New Outlook app. This article … Read more
If you have used SharePoint document libraries for years, you likely relied on the Connect to Outlook button in Classic Outlook to sync folders offline. In New Outlook for Windows, that button does not exist, and the classic sync method no longer works. This article explains why Microsoft removed the feature, what replaces it in … Read more
If you have used classic Outlook for Windows for years, you likely rely on PST files to archive emails, back up data, or move mail between computers. In the new Outlook for Windows, Microsoft changed how local data files are handled. This article explains where PST files are stored in new Outlook, how to open … Read more
Many users switching to the new Outlook for Windows find that certain offline tasks no longer work the same way. The new Outlook is designed as a cloud-first app, which means it relies on a constant internet connection for most operations. This article explains which offline features from classic Outlook are missing or limited in … Read more
The new Outlook for Windows includes a redesigned Notes module, but it is not fully rolled out to all users. Many business users see the Notes icon in the navigation pane but cannot create, edit, or delete notes. This partial availability is caused by a staged rollout from Microsoft, where some accounts receive the feature … Read more