Compatibility mode is suitable for older software with Windows 10 that fail to run normally. Thankfully, Microsoft Outlook is fully optimized for Windows 10, meaning Compatibility mode is not necessary. You might be wondering what happens when you switch on the Compatibility mode for Outlook. When you do this, your Outlook might have opening problems. For this reason, you should always turn off Compatibility mode for Outlook.

• Here's the deal, when Outlook manages to open, all the files you delete will automatically be recreated.
• We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues.
• 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.
• Outlook opening problems are simple to deal with.
• If Outlook is NOT able to start in safe mode, then try the next proposed solution below, entitled Create a new Outlook profile.
• 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

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. Upgrade to Microsoft Edge to solve Office 365 mailbox sync delays take advantage of the latest features, security updates, and technical support. Click the above link to have a quick download, then you can have Outlook errors fixed within minutes.

Why Won't Outlook Open?

A vast community of Microsoft Office365 users that are working together to support the product and others. I understand that your Office applications are not working. Please feel free to refuse additional offers, they are automatic forms that come from our website and not from my own. I see you have not had a chance to get back to me with the information I requested. Given what limited information you have provided, I believe this may help your situation. If this isn't what you were looking for, please respond and we can continue to troubleshoot until we find the right answer.

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 troubleshoot Outlook synchronizing folders error solutions to common problems or get help from a support agent.

Getting Started Is Easy

Running the /resetnavpanecommand removes all customizations to the navigation pane. Please go toCreate an Outlook profilefor steps on how to create a new Outlook profile, then continue with how to use a different profile. With the window with the Windows Update, you will see all the updates you need to make for your Microsoft Office.



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 troubleshooterto diagnose and fix several commonclassic Outlook for Windowsissues for you. If you restart it successfully, it will show you that one or more add-ins are defective.

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

Microsoft Outlook provides a better experience for users. With great functionality, you can manage your email, contacts, calendar as you like. Check the solutions to fix "Outlook not opening" problem and Office 365 sync problems and login fixes how to avoid "Outlook won't open" again. Thanks for bringing this to my attention and I can see the urgency of this matter. Open the application and sign in to your Microsoft application to activate.