1 Sorry, but we're having trouble signing you in Microsoft 365 Microsoft Learn
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Passwords have been around for centuries and people have been losing them for that long too. Even the Romans used encryption to try to protect their passwords. I can open any Office 2016 app installed on my computer but I am unable to link/login to my Office 365 account on my primary computer. I have a service spare that I tested with and I am able to login to Office 365 without any issue. I have done a number of searches and found related issues but none of those fixes have worked.

A Guide To Troubleshooting Microsoft 365 Login Issues

Gone are the days where this is an hours-long process. @scott-sa-spiceworks okay, I "edited" the passwords for Office to my current one in that credential box but Troubleshooting Outlook sync problems it did not help. It would be nice to know where that password is being cached, then I might be able to delete it. The following table lists known error codes for the "Sorry, but we're having trouble signing you in" error message.

I can't sign in to my Microsoft account

No one should have to go through that type of frustration and aggravation. 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. 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.

Very often when we get a call that someone didnt receive an email its actually because Outlook is offline and requesting a password.Passwords have been around for centuries and people have been losing them for that long too.One of the options was to save a diagnostic file for MS support.Theres quick repair, which Ive never had success with and Online Repair, which Ive always had success with.We can also look at preempting problems by implementing ways to reduce the use of passwords at all.A good idea would be to delete profile or alternatively to create a new user profile and try to login to O365 account.Those days are long gone but if you were an early adopter of Microsoft/Office 365 then Outlook might not be enabled for modern authentication.@scott-sa-spiceworks okay, I "edited" the passwords for Office to my current one in that credential box but it did not help.

Troubleshooting Specific Scenarios

First we need to admit that no one loves managing passwords. While we cant yet eliminate passwords, we can move toward this ultimate goal and do so while enhancing security. Last but far from least, theres the Microsoft Support and Recovery Assistant for Office 365. Microsoft designed this tool to eliminate calls into its support center and it does a great job at it.

How do I fix login problems?

Microsoft Teams does not allow remote users to connect

I then saw in credential manager where the password reverted back to the previous one, corrected again and repeated but this time with Excel to see if same thing happened. It did, so then I deleted that entry from credential manager, rebooted but that did not help. By following the guidance in this article, both end users and IT administrators can minimize downtime, ensure productivity, and maintain smooth access to the full suite of Office 365 applications.

Unresolvable Problem on Signing In Microsoft Office 365 Apps on Windows 10

Office 365 uses several internet endpoints and cloud services to authenticate users and validate licenses. If these connections are disrupted, sign-in and activation will fail. If youre confident your credentials are correct and the sign-in still fails, proceed to the next step for deeper inspection of license status and subscription details. The tool resolves a range of problems which are listed below. When you launch the tool youll be asked to pick the issue that applies most closely to what you are experiencing. Because this tool is very thorough expect it to take minutes to run, sometimes even longer.