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.

Step 1: Complete unlinking steps on your Android and Surface Duo devices. Start by checking which mobile app your Android device has. Refer to this list to see if your device supports Link to Windows (pre-installed). If your device is not in this list, skip to the next section.

If you're having trouble getting your verification code for your personal Microsoft account, see Troubleshooting verification code issues. If your question wasn't answered here, we want to hear from you. Post your question to the Microsoft Authenticator forum to get help from the community.

To install Authenticator on your Android device. Scan the QR code. or download and install Authenticator from the Google Play store. Get the app.

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.

Follow these steps to reset your Microsoft account password. Follow the steps on this page to change the Microsoft account email address or phone number (also known as your account alias or username) that you use to sign in.

Following are examples of some common nested IF (AND ()), IF (OR ()) and IF (NOT ()) statements in Excel. The AND and OR functions can support up to 255 individual conditions, but it’s not good practice to use more than a few because complex, nested formulas can get very difficult to build, test and maintain.

In your Microsoft account: Open a web browser on another device. Go to https://account.microsoft.com/devices/recoverykey to find your recovery key. Tip: You can sign into your Microsoft account on any device with internet access, such as a smartphone. It should look something like this:

管理您的線上安全和隱私權設定. 使用這些隱私權設定，選擇其他人如何查看您的 Xbox 個人檔案、哪些人可以與您通訊，以及他們如何與您的內容進行互動。. 按 Xbox 按鈕 以開啟快顯功能表。. 選取 [設定檔與系統] > [設定] > [帳戶] > [隱私權與線上安全] > [Xbox ...

Search Mail and People in Outlook on the web. Archive old email messages. Organize your Inbox with Archive, Sweep, and other tools in Outlook on the web. Get help with signing in, changing passwords, creating and sending mail, deleting mail, creating folders, and more in Outlook on the web.