365 Microsoft Login: Sign In to Your Account

To complete a 365 Microsoft sign in, open {site}, select Sign In, and enter the email address connected to Microsoft 365. Enter the account password and complete any verification prompt Microsoft or your organization displays.

Where do I sign in to 365 Microsoft?

Use Microsoft’s official Microsoft 365 website rather than a link in an unexpected email or text message. On {site}, select Sign In to open the official account sign-in flow.

Have these details ready before you start:

• The email address or username connected to Microsoft 365.
• The password for that account.
• Access to any registered verification method, such as the Microsoft Authenticator app, a security key, or a phone that receives codes.

Your sign-in may use a personal Microsoft account or a work or school account. If an employer or school provided the account, the username and password may be managed by that organization.

How do I log in to 365 Microsoft with an email address?

1. Open the official Microsoft 365 site and select Sign In.
2. Enter the email address or username associated with Microsoft 365, then select Next.
3. Check that the account shown is the one you intend to use. If Microsoft asks whether the account is personal or belongs to a work or school organization, choose the correct account type.
4. Enter the password for that account and select Sign In.
5. Complete any identity-verification prompt that appears. The available method depends on the account and its security settings.
6. If Microsoft asks whether you want to stay signed in, choose the option that is appropriate for the device. Avoid staying signed in on a public or shared device.
7. After signing in, use the app launcher or the displayed list of apps to open the Microsoft 365 service you need.

The 365 Microsoft login email is normally the personal email linked to the Microsoft account or the work or school address assigned by an organization. Do not enter your credentials on an unofficial page.

What should I do if I forgot my password or cannot sign in?

On the official sign-in screen, enter the account email and select Next. At the password step, select the option labeled Forgot password or Forgotten your password, then follow the identity-verification instructions.

For a personal Microsoft account, the reset flow may ask you to choose a registered email address or phone number, confirm part of that contact information, and enter a code. After Microsoft verifies the code, follow the prompt to set a new password.

If no available verification method belongs to you, use Microsoft’s Sign-in Helper from the Microsoft Support area. The Sign-in Helper checks the email address or phone number entered and directs you to the recovery option that applies.

For a work or school account, use the work or school password-reset option when it is offered. If self-service reset is unavailable, contact the organization’s IT administrator. Microsoft support agents cannot retrieve a password or change protected account details for you.

What do common 365 Microsoft sign-in errors mean?

• “We couldn't find an account with that username” or “That Microsoft account doesn't exist”: Microsoft does not recognize the username as entered. Check for typing errors and confirm that you are using the email associated with the account. If it still is not recognized, use Microsoft’s Sign-in Helper.
• Incorrect password: The password entered does not match the account. Check capitalization and keyboard settings. If you do not know the password, use the password-reset option instead of repeatedly guessing.
• Account locked: Microsoft has restricted access to the account. Follow the security-code or account-reinstatement instructions shown on the official screen.
• Error 400: Microsoft identifies this as a sign-in issue with separate troubleshooting guidance in Microsoft Support. Use the Sign-in Helper or search Microsoft Support for the displayed error instead of relying on an unverified fix.
• A work or school password has stopped working: The organization may control the account. Follow the displayed work or school recovery option or contact the organization’s IT administrator.

Copy the exact error text before leaving the page. The wording helps Microsoft Support or an organization’s administrator identify the relevant sign-in problem.

What happens when 365 Microsoft asks for two-factor verification?

Multifactor authentication, or MFA, means confirming identity with more than a password. If MFA applies, Microsoft may ask you to approve an Authenticator notification, enter a verification code, use a passkey, present a security key, or use another method allowed for the account.

Work and school organizations decide which verification methods their users can register and when an extra check is required. A first-time prompt may ask you to add security information before continuing. Follow only the choices shown in the official Microsoft flow.

If a code never arrives, confirm that the displayed destination matches a phone number or email you can access. Look for another verification method offered on the screen. If none is available, personal-account users should use the Sign-in Helper; work or school users should contact their IT administrator.

Never approve an Authenticator prompt you did not initiate, and never give a verification code or password to someone who contacts you unexpectedly.

How do I get help with a 365 Microsoft login?

Use the Contact Microsoft Support channel in the Microsoft Support area. Enter a short description of the sign-in problem, select Get Help, and, if more assistance is needed, select Contact Support to see the support options available for the issue and account.

Microsoft does not publish one universal set of support hours for every account, issue, and contact method. The official support flow displays the currently available channels and any applicable availability information. For an organization-managed account, the appropriate contact is usually the employer’s or school’s IT administrator.

Support agents cannot send a password-reset link on request, reveal a password, or access and change protected account details. Use only the recovery and verification steps presented by Microsoft when you need to log in 365 Microsoft.