The biggest problem that I see with Microsoft 365 login is that the user has gotten confused as to what password they should be using. Maybe they have a corporate login for Microsoft 365. But it says Microsoft account when the login screen comes up, so they enter their personal login. Then they go back and forth entering corporate in the personal spaces and personal in the corporate spaces hoping for the best. At some point they give up and change their password. In this article I’m going to highlight some of the scenarios that cause login issues and offer a few solutions and troubleshooting tips.

Excel check troubleshooter

I have tried it, I have followed every suggestion it has made. I have NOT forgotten my log in info, it won't allow me in with the correct info. I haven't even made it far enough to enter a password, it won't let me through step 1! I have tried repairing the program, I have tried restarting my computer.

Understanding The Root Causes Of Microsoft 365 Login Issues

Some older operating systems, such as Windows 7 SP1, Windows Server 2008 R2, and Windows Server 2012, require an update to enable TLS 1.2 by default. This article will help you troubleshoot sign in issues when activating Microsoft 365 Apps. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies. If one of these resolves your problem, close the app and continue working.

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I have encountered some people who have constant problems logging into Microsoft/Office 365. Most often it’s been a user misunderstanding, which means they enter panic mode and start clicking and resetting passwords in a desperate attempt to get the prompts to go away. No one should have to go through that type of frustration and aggravation.

A Guide To Troubleshooting Microsoft 365 Login Issues

• Next time you log in, it will cache them again for you.
• I have tried it, I have followed every suggestion it has made.
• Which means that after you’ve enabled MFA, Outlook will start repeatedly prompting for credentials.
• If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool.
• Find solutions to common problems or get help from a support agent.
• If so, you will also need to temporarily disable your proxy or firewall connection.
• Use the MIcrosoft 365 inventory scan troubleshooter to generate either a normal or full scan report of your computer and installed Microsoft 365 applications.
• Use the Microsoft 365 setup troubleshooter to install Microsoft 365, Office 2021, Office 2019, or Office 2016 on your Windows PC.
• I have encountered some people who have constant problems logging into Microsoft/Office 365.

And on a security note, they’ll know that they aren’t logging into a spoofed page too. Use the Excel check troubleshooter to resolve Excel for Windows startup, hang, or crash issues. Last Step-by-step guide for Outlook stuck on profile but far from least, there’s the Microsoft Support and Recovery Assistant for Office 365.

Troubleshoot 365 logon issues

21Vianet is a service that's available in China. Because of this error, users won't be able to activate their Microsoft 365 apps license. If you find this CNAME record, delete it, and wait for DNS replication to update the DNS record. Microsoft 365 Apps fails to activate when opened from published apps on a Citrix server. For more information, see Known issues (Citrix product documentation). Get Help has troubleshooters for Microsoft 365 you can run for many common scenarios.



Microsoft designed this tool to eliminate calls into its support center and it does a great job at it. It will analyze every function of your Office 365 environment and make the necessary changes to get things working again. Using the Microsoft Endpoint Manager admin center, set MDM and MAM to None.For more information, see Device management overview. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If we detect a problem with your account, we'll tell you what you need to do to solve the problem.