If you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out, here are some solutions.

If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.

Depending on your product and if it's still in support, Microsoft support experts are available to help you with a broad selection of support options and able to address product and service challenges for a more personalized experience.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

The Phone Link supports messages sent by Short Message Service (SMS). It also supports Multimedia Messaging Service (MMS) messaging. You can still send your favorite photos and GIFs from your PC. RCS messaging is also available for select Samsung devices. Learn more How many messages can I see?

Get help and support, whether you're shopping now or need help with a past purchase. Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

On the View tab, select View settings in new Outlook. Select Accounts > Automatic Replies . Select the Turn on automatic replies toggle. Select Send replies only during a time period, and then enter start and end times. Under Send automatic replies inside your organization, enter the message to send while you're away.

Learn how to start a one-to-one chat with SMS participants and send invites for others to join Microsoft Teams (free), so you can chat with them.

Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.

Change your password with your email provider. See the following sections for instructions on changing your email account password for several major email providers. If your email account provider isn't listed, contact your admin or the email provider's help desk.