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. You may encounter issues when using any application, and Office 365 is no exception. Not all issues are caused by bugs left unpatched by the software vendor or by third-party applications like the recent Crowdstrike incident that caused a global O365 outage.

If disabling the antivirus resolves the issue, consider using built-in Windows Defender as it is less likely to cause conflicts. Your trusted tech help & troubleshooting hub. If the error occurs during a Windows update, the Windows Troubleshooter can help identify and fix the problem.

Always define a recovery email address when configuring your Office 365 account. If an incorrect password is entered multiple times, after several unsuccessful login attempts, your Office 365 account will be locked. If your account is locked but you have not defined your recovery email address, try to fill out the Microsoft account recovery form. If you want to use Office 365 applications installed on a terminal server, you should use Office 365 Pro Plus, which supports Shared Computer Activation. Completing the above steps resolves a large majority of typical sign-in and activation problems. If the issue persists, Microsoft has created a dedicated tool called Microsoft Support and Recovery Assistant (SaRA) to automate many troubleshooting tasks.

Sometimes cached credentials on your device or a corrupted Office profile can lead to repeated microsoft 365 login and setup sign-in prompts or activation failures. Understanding these root causes will help you map out a clearer resolution path. In many cases, performing simple checks—like verifying correct usernames and valid licensing—will resolve the issue quickly. Open the required file, hit Share and then check the list of users that you can give the rights to edit a file. You can set access permissions for the entire organization or invite only the users you specify. Editing file permissions and providing users with appropriate access is a simple way to solve such Microsoft 365 problems.

Now, let’s look at how to fix these issues step by step. Your trusted tech help & troubleshooting hub. If the error microsoft 365 login and setup occurs during a Windows update, the Windows Troubleshooter can help identify and fix the problem.

If you cannot get a code, read Troubleshooting verification code issues. Your Microsoft 365 password has now been successfully reset, and you can proceed to sign in with your new password. The sign in location for Office 365 Germany is, portal.office.de. You can only do this if your admin has given you permission to update your password in Microsoft 365. If none of these options help and you still can't remember your Microsoft account, see When you can't sign in to your Microsoft account for additional things to try. If these steps didn't work, or you have other account sign in issues, use our Sign-in helper tool.

If you need to reset your Microsoft account password because you forgot it, see Reset your Microsoft account password instead. By using NordPass to manage your microsoft 365 login and setup Microsoft 365 password and other account credentials, you can improve your online security and minimize the risk of unauthorized access to your accounts. Because NordPass offers desktop and mobile apps, as well as a browser extension, and syncs everything between them, you will always have access to your passwords and other sensitive data whenever there’s a need.

Microsoft recommends that you use roles with the fewest permissions. Using lower permissioned accounts helps improve security for your organization. To learn more, see About admin roles in the Microsoft 365 admin center. The steps below describe how to change a known password for a Microsoft personal account.

An internet connection is not available or a firewall is blocking network connections. In these scenarios, you’ll need more in-depth knowledge of Office 365 licensing, Azure Active Directory (Azure AD) configurations, or advanced policy settings. Below is a structured approach to diagnosing and resolving Office 365 sign-in or activation errors. Start with the basics and move toward more advanced methods only if necessary.

Now, let’s look at how to fix these issues step by step. If none of the above fixes work, the problem may be caused by deeper corruption or server-side issues. microsoft 365 login and setup In that case, it’s best to contact Microsoft Support or your IT administrator.

Moreover, NordPass will autofill login details for you, which means that you’ll no longer have to manually type out your usernames and passwords. With NordPass, you can create complex, unique passwords for each of your accounts, with just a few clicks, thanks to the built-in Password Generator. You also — obviously — get a single secure place to store your passwords as well as other sensitive information such as credit card numbers, personal information, secure notes, and even passkeys. If not, select Reset password below, enter the username name for the account you're trying to reset, and select Next.

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