If the troubleshooter can't fix your issue, or if you'd like to fix it yourself, see the next section. However, if you encountered other issues like Outlook not responding, learn how to fix Outlook not responding here. If you do everything properly, Outlook will open when you use the new profile.

• We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues.
• Thanks for bringing this to my attention and I can see the urgency of this matter.
• Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem.
• If this isn't what you were looking for, please respond and we can continue to troubleshoot until we find the right answer.
• A well-running Outlook will ensure that you enjoy the full benefits of this popular email program.
• Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support.
• However, if you encountered other issues like Outlook not responding, learn how to fix Outlook not responding here.

Older versions of Outlook may be out of support

Now, it's time to uncover them by the elimination process. Follow the steps below troubleshoot Outlook synchronizing folders error to download the uninstall support tool according to your browser. Uninstall the Microsoft application restart the device and re install the Microsoft application and restart the device.

Why Won't Outlook Open?

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 you are trapped in a similar situation that my Outlook is not opening, you may feel disturbed about the problem. If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile.

My Outlook won't open. It's an on-going problem. This time, though, when I shut down my laptop, and rebooted it, I am

You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Are you having trouble starting Outlook or receiving "Cannot start Microsoft Outlook. Cannot open repair PST file without data loss the Outlook window" error messages? We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. Here's the deal, when Outlook manages to open, all the files you delete will automatically be recreated. It gets better because you also resolve all the Outlook opening issues. Please follow the steps specified in the below link.

Getting Started Is Easy

Knowing the cause of the problem will help you sort out all the issues related to Outlook opening. Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. These files occasionally might become corrupted.

Repair corrupt Outlook data files

This goes to prove that the problem came from your original Outlook profile. If you are figuring out how to fix "Outlook Not Opening," you will find several possible solutions. The best part is that you are spoiled for choice because some are quick to implement while others are time-consuming. This section introduces solutions that you can use when Outlook 2016 or Outlook 2013 is not opening.

How to Avoid the "Outlook Won't Open" Problem?

If anyone finds a more permanent solution, I would appreciate it. It seems like something went wrong on Microsoft update and they might recall it or fix it, so we might need to wait untill that. If online repair didn't work, you repair PST file without data loss need to reinstall your Office application.