However, sometimes employees may not have the required permissions to open and edit an item. If you have forgotten your password for the Office 365 account, try to recover or reset the password. Find solutions to common problems or get help from a support agent. The steps to access the repair tool vary depending on your operating system. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem. When you're done, you might need to restart your computer.

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Check the version of Microsoft Office installed on your computer and your subscription name and expiry date. Office 365 applications installed on a computer must connect to Microsoft servers over the internet at least once every 30 days for the license to be checked and validated. If you don’t connect the installed Office 365 applications to Microsoft servers for more than 30 days in a row, these applications are deactivated. Once a connection is established to Microsoft licensing servers, the license is renewed.

Additional resources

To diagnose and automatically fix several common Microsoft 365 sign-in issues, run the Microsoft 365 Sign-in troubleshooter. The authentication issue occurs because of missing package information about either the Active Directory Authentication Library (ADAL) or Live ID. This issue occurs only on computers that are running Windows 10, version 1703 or later, and Microsoft 365 version 1807 or later. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. I figured it was a bad credential, and everyone mentioning ADAL pointed me to the right one.

Common Problems with Office 365 OneDrive

If multiple versions of Microsoft Office are installed, Office 365 activation issues may occur. Uninstall old versions of Microsoft Office from your computer and try to activate Microsoft Office 365 again. This works for a week and then the issue raises it’s head again.

Information and fixes from Microsoft have been scant as well, outside of the registry key one.You can unintentionally send an important Microsoft 365 item to the recycle bin, especially if you have too many files on your device’s hard drive.I do NOT have this issue with the other laptop, an iPad, a MacBook Pro and tablet.We have found on user endpoints that the AAD Broker Plugin is sometimes missing and this is what causes all manner of hell and headache with Microsoft applications/services for end users.You’d think after 10 years of O365 being used, the last thing you’d have issues with is Authentication… Yet here we are, same issue, different decade.This tool should be installed on a computer as a standalone application.And it’s random users, not all users experience this in this environment.

Microsoft Office 365 Activation Issues

This tool should be installed on a computer as a standalone application. After installing and running the application and entering the Office 365 account credentials, run tests to identify the problem and find the needed solution. Follow the instructions provided by the assistant to find and resolve Microsoft Office 365 problems.

How do I fix login problems?

If you are having a lot of end-user support headache because of Office365 quirkiness… well, it may very well be because this rather critical module is missing. We haven’t identified WHY it is missing for some user Win10 installs and not others yet. OneDrive issues are a separate category of problems with Microsoft 365.

Just today he IM’d me and said "oh yeah, this other issue we have been trying to fix for weeks on end… it was ALSO just resolved because we fixed this". My main concern is that these dialog boxes may return, prompting further user frustration and possibly generating tickets. Speaking of research, I haven’t found much info newer than December 2018. I haven’t opened a ticket with MS Microsoft Outlook troubleshooting yet but I may if my search does not prove fruitful. Once the key is added, and the user restarts Outlook, they receive a legacy authentication dialog box, enter their domain password, and connect to their mailbox without issue. This seems to be our most effective fix, and it’s the one we arrived at after hours of forum digging and web searches.

An internet connection is not available or a firewall is blocking network connections. Installing Office 365 updates can fail for different reasons, and some of them are listed below. Make sure that you have entered the correct Office 365 username and password. Safari can cause Microsoft 365 issues due to the Intelligent Tracking Prevention (ITP) feature.