If Outlook still gives you the “ Cannot start Microsoft Outlook. We recommend you check if Outlook can open now. The fix should automatically apply and restore the Navigation Pane to defaults.Paste in the following line and hit the Enter key on your keyboard: outlook.exe /resetnavpane.On older versions of Windows, you can also reach this from the Start menu. Press the Windows + R keys on your keyboard to bring up the Run application.By repairing the Navigation Pane settings file, you might be able to open Outlook again without running into the same error over and over again. Method 1: Recover the Navigation Pane configuration fileĪs mentioned above, file corruption is often the cause of this error. If the account you’re currently using doesn’t have administrative permissions, make sure to change this in your settings. Our solutions in the next section will surely help you restore Outlook, no matter what caused the error.īefore we fix the error, it is worthy to note that you might be required to have access to an administrator account to perform all of the steps described below. No one knows exactly how these files get corrupted without any malicious attacks, but it happens, and you need to troubleshoot it. ost) created in an old version of Outlook which was deleted or damaged. xml file with your Outlook name.Īnother cause could be the fact that Outlook is attempting to run in Compatibility mode, or you’re using a profile file (.pst or. According to them, the main culprit is a file corruption to your Outlook profile file, the. While the exact cause of this error is uncertain, Microsoft themselves have come forward with an issue that leads to this happening. All you can do is click OK and wonder what’s next. After attempting to launch Outlook, you’ll only see the cursor loading for a while, before a pop-up appears with the error. The main issue you face when running into this error is the Outlook application failing to open. The set of folders cannot be opened.” error? (Source: Ablebits) What causes the “Cannot start Microsoft Outlook.

” error with universal, easy to apply fixes that work for most users. Our article will focus on solving the “ Cannot start Microsoft Outlook. This is a huge issue for those that utilize Outlook in their day-to-day lives, as you can’t have access to your emails, calendar, notes, and so on. Users have reported getting a set of errors when attempting to launch Outlook on their device, then having the software not launch at all. Are you unable to open up Microsoft Office Outlook? Don’t worry, in this article, we highlight the best, universal solutions for any errors related to the Outlook application not opening.

Outlook will not load profile