We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. A corrupted profile, a damaged PST file, faulty add-ins, or improper Outlook startup settings often cause this issue. Should you decide to remove a profile, back up the data files first. All offline cached content will be deleted when you choose Remove. For more information, see Introduction to Outlook Data Files (.pst and .ost). If Outlook worked correctly the last time and nothing has changed about your account configuration, then checking if things work correctly in Safe Mode is a good first step.
However, before that, you must figure out the real cause of the issue. Later, go for the best solution that suits the cause of the Outlook issue. Additionally, if the issue causes PST file corruption, use the suggested software for better results. However, we came across many users who are still struggling with this Outlook issue. They still wonder ‘Why is Outlook constantly not responding? ’ So, it is possible that your PST file will get corrupted and you can lose all important data.
Maybe you've added a new program to your computer that doesn't get along with Outlook, or your system has a virus. Regardless of the specific cause, there are several key troubleshooting fixes to try that might help. This command clears any broken settings related to the navigation pane and can frequently fix startup issues. Below, we’ll guide you through a series of solutions, from simple, quick fixes to more in-depth repairs, to help you get Outlook up and running again. If it starts without any problems, you can check Sites.google.com the add-ins. Moreover, it will help you to get the answer to which add-in is causing the issue.
If you’re still having problems, try resetting your Windows Firewall settings back to how they were originally. Running the /resetnavpane command removes all customizations to the navigation pane. If the troubleshooter can't fix your issue, or if you'd like to fix it yourself, see the next section.
It will help you switch between windows and see if any pop-ups need attention. If the above solutions are not working up to the mark, it simply indicates the corruption in your Outlook PST files. If you want to resolve the inaccessibility from your PST file, opt for the Cigati Outlook PST Repair Tool. It will assist users in fixing the corruption effortlessly. As you can see in the picture below, the new outlook is not on the list of apps for startup, but I have it installed and pinned on the taskbar.
Sometimes, when Outlook isn’t working right, a simple restart can help. When you turn your computer off and on again, troubleshoot outlook errors