Dec 4, 2025 · The Classic Outlook re-appears by just rebooting the PC, but if you then click "Switch To New Outlook", it disappears again. So I'm sticking with the Classic for now as I need email.

Mar 21, 2024 · When Outlook won’t open, it can throw a wrench in your day. But don’t worry – it’s usually a quick fix. This article will give you a step-by-step guide on what to do if Outlook won’t start, …

Jun 2, 2025 · Struggling with Outlook not opening? Find quick, practical fixes to solve the issue and get back to work seamlessly, whether on Windows or Mac.

Nov 21, 2023 · To fix it when Outlook isn't opening on your PC, you can remove suspicious add-ins, run a full antivirus scan, clear Outlook's cache, repair the app using Office's built-in repair tool, or update …

Dec 3, 2025 · Your Outlook won't open anymore? Learn how to fix the "Cannot start Microsoft Outlook" error with practical solutions that work across all versions from 365 to 2016.

Jul 29, 2025 · Detailed steps to resolve issues when the New Outlook app fails to launch or becomes unresponsive on Windows.

Cannot start Microsoft Outlook or Outlook won't open? Get 18 proven fixes now! Step-by-step solutions from quick fix to advanced repair.

Nov 11, 2025 · In this guide, we’ll walk you through step-by-step solutions to get Microsoft Outlook back up and running. Whether it’s stuck on the splash screen, throwing errors, or just refusing to launch …

Dec 9, 2025 · Learn how to fix Microsoft Outlook not opening in Windows 11. Step-by-step solutions for Outlook Classic, Outlook 365, safe mode issues, corrupted profiles & more. Complete …

Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open the Outlook window" error messages? We can fix the problem for you, or you can use the …