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.

• Whether it's defective add-ins, frozen Outlook, faulty data files, and many others, you can manage all these problems yourself.
• For this reason, you should always turn off Compatibility mode for Outlook.
• With great functionality, you can manage your email, contacts, calendar as you like.
• Outlook stores all your email messages, meetings and events, contacts, and tasks in data files.
• If the in-box Program cannot fix the corrupted Outlook PST files, you can also try Wondershare Repairit for Email.
• I understand that your Office applications are not working.
• Now, it's time to uncover them by the elimination process.
• Compatibility mode is suitable for older software with Windows 10 that fail to run normally.

Older versions of Outlook may be out of support

Now, it's time to uncover them by the elimination process. Follow the steps below modern authentication troubleshooting 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

Click the button below to download and install the Office uninstall support tool. Try to restart your computer and check if this corrects the problem, if not, you might need to repair your MS Office. Welcome to JustAnswer.com, an independent, paid-support, question & answer service that is not affiliated with any other company. Sorry to hear you're having problems, my name is David, and I will do everything I can to help you find the information you need. Find solve Office 365 mailbox sync delays solutions to common problems or get help from a support agent.

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.



If you would like for me to fix this issue using our Secure Remote Assistance then customer care can setup a new case for us. Occasionally, that profile can become corrupted. You can determine if it's corrupted by creating a new profile and changing which profile is used when Outlook starts. Use the classic Outlook startup troubleshooter to diagnose and fix several common classic Outlook for Windows issues for you. If you restart it successfully, it will show you that one or more add-ins are defective.



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 fix Outlook after Windows update issues need to reinstall your Office application.