Sign in to SharePoint. SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > All apps > SharePoint.

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.

关联 Google 帐户和 Microsoft 帐户. 目前，你无法使用 Google 凭据登录到 Microsoft 帐户，但可以使用 Gmail 地址来证明你是谁。. 若要添加 Gmail 地址以用于登录，请转到 管理登录 Microsoft 的方式 。. 你无法再将 Gmail 邮箱添加到 Outlook.com 帐户，但可以使用免费的 Outlook ...

Hotmail is now Outlook.com. Learn how to sign in to access your Outlook.com, Hotmail, Live, or MSN email account.

A theme is a combination of desktop background pictures, window colors, and sounds. To get a theme, expand one of the categories below, select a link for the theme, and then select Open. This saves the theme to your PC and puts it on your desktop.

Add, remove or update an email address or phone number. If you want to make changes to the email addresses or phone numbers associated with your Microsoft account, use our guided support tool below to help you update the right information in the right way.

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

Change or reset your Windows password. Accessing the account of someone who has died. Learn how to reset or change your Microsoft account password. Get help with a forgotten Microsoft account password.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our troubleshooter to help guide you.

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.