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Modern collaboration using Microsoft 365 applications require log in to Office 365.

Working in Microsoft Office 365 requires your authentication. Learn how to login to Microsoft 365 apps.

You can log in to Microsoft 365 application in multiple ways. There are dozens of Office 365 apps you can use, like Microsoft Teams, Outlook Online, OneDrive or SharePoint Online.

Working with Microsoft 365 business application requires logging in through any modern browser. Using Microsoft 365 Business (Basic, Standard, Premium, Apps) or Enterprise (E1, E3, E5) requires the same process for the login to Office 365 Business.

If you are looking for Microsoft 365, you get it for free in a few available options.

Login to Microsoft Online – quick start in Microsoft 365

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Prepare yourself and your organization for Generative AI and Microsoft Copilot.

Login to Microsoft Online 365

To log in to Office 365 business apps you will need an Office 365 account. You need to use your email and password. In the case of using Multi-Factor Authentication in Office 365 prepare your mobile phone or an Authentication app.

Login to Microsoft Online

To log in to Microsoft 365 online open the Microsoft 365 Portal online app: portal.office.com, through office.com or office.com/login and enter your email and password.

Login to Microsoft Online – quick start in Microsoft 365
Login to Microsoft Online – quick start in Microsoft 365

You can be asked to verify and approve your login to Office 365 in Microsoft Authenticator app.

Login to Microsoft Online – quick start in Microsoft 365

After confirmation of your sign-in process, you will be placed on the Office.com landing page. You will find there all Microsoft 365 apps.

Login to Microsoft Online – quick start in Microsoft 365

Log in to Outlook Online in Office 365

To sign in to Outlook in Microsoft 365 open outlook.office.com in the browser. You will be asked to use your email address and password to log in.

Login to Microsoft Online – quick start in Microsoft 365

After signing in the process you will be placed in your Outlook Online mailbox.

Login to Microsoft Online – quick start in Microsoft 365

Log in to Microsoft Office 365 Admin

When you are Office 365 admin and you want to login to Microsoft 365 admin center open admin.microsoft.com in your modern browser. Microsoft 365 will ask you for your email address and your password.

Login to Microsoft Online – quick start in Microsoft 365

When you have the role of the administrator of Office 365 you should have MFA turned off, so please expect an additional authentication screen.

Login to Microsoft Online – quick start in Microsoft 365

After successful signing to Microsoft 365 admin center, you will have access to the administration of Office 365 services.

Login to Microsoft Online – quick start in Microsoft 365
Login to Microsoft Online – quick start in Microsoft 365

PREPARE FOR GENERATIVE AI ERA

Prepare yourself and your organization for Generative AI and Microsoft Copilot.

Microsoft 365 login issues

You can meet some issues with logging into Microsoft 365. Check the most popular login issues for Office 365 and the ways to fix it:

  • Multiple accounts – you can have multiple used to Microsoft 365 environments or other Microsoft services. If you cannot log in to your proper Office 365 account, logut from current one and force forget the account on the login page portal.office.com
Login to Microsoft Online – quick start in Microsoft 365

I also recommend clearing the cache and cookies in the used browser.

  • Reset the password to Microsoft Office 365 – in case you forgot or need to reset your password to your Microsoft 365 account you can do that on-site: Microsoft Online Password Reset

Login to Microsoft Online – quick start in Microsoft 365

What’s next?

Perfect! You have learned how to log in to Office 365.  Now is the time to get a better understanding of Microsoft 365 apps. Learn how to use Power Automate flows, how to deploy and use Viva Connections and learn how to test Teams call quality.

Do you want to learn even more?
I prepared more articles that could help you better understand Power Automate, OneDrive, Microsoft Teams and SharePoint Online.

Conclusion

Choose the most friendly way for you to login to Microsoft Online 365. Log in to Microsoft Online and Office 365 apps using the modern web browser.

Login to Microsoft Online – quick start in Microsoft 365