Differences between Outlook 365 add-in and (legacy) Outlook for Windows Desktop add-in Updated January 08, 2026 16:23 If you use Outlook as an email client, Showpad offers a practical add-in solution for you to seamlessly share content without leaving your inbox. We currently offer two add-in versions: Showpad for Outlook 365 and Legacy Showpad for Outlook. Note: Showpad for Outlook 365 is the latest and highly recommended version to use. It's easier to install and manage, and we’re continually enhancing this version. The Legacy Showpad for Outlook requires admin action to install and is no longer receiving any further updates. We strongly encourage using Showpad for Outlook 365 to ensure the best experience. While the legacy add-in is still supported today, the Outlook 365 add-in is our long-term solution, which offers more practical benefits as of now: More modern and streamlined UI. Easier to distribute for admins with centralized deployment, automatic updates, and minimal seller action required. Available on Mac, Windows, and in the browser. Built on Microsoft 365 architecture, which Microsoft is positioning as the future for Office integrations. Showpad for Outlook Showpad for Outlook 365 Available features by add-in Feature name Showpad for Outlook Showpad for Outlook 365 Access content from hidden Experiences Automatic updates Available in New Outlook app Available on Windows devices Available on all devices & Web browsers Browse Advanced Experiences Browse Recent assets Change Language Custom thumbnails Filter search results by Type or Tags Load a list of Collections Select specific Pages to be shared Top Searches preview Upload assets directly from the add-in Upload assets from Pages To take full advantage of what Showpad has to offer, we suggest moving forward with the Outlook 365 add-in, though both options are currently available. Discover how to enable the Showpad for Outlook 365 add-in. Discover how to install and connect the Showpad for Outlook add-in. Related articles Install and share content with Showpad for Outlook 365 Install and connect Showpad for Outlook (Legacy) Introduction to Showpad for Outlook Find and Share content using Showpad for Outlook (Legacy) Share content with Showpad for Gmail