Learn about the circular reference warning message. The first time Excel finds a circular reference, it displays a warning message. Select OK or close the message window. When you close the message, Excel displays either a zero or the last calculated value in the cell.

Dynamic lock is a security feature that automatically locks your device when you are not around. It uses Bluetooth to pair with a phone, and locks the device when the Bluetooth signal drops below a certain level, indicating that you are no longer near your device.

Unhide a chat. Need to see a hidden chat again? Unhide a chat that you've hidden before by using search. In the Search box at the top of Teams, search for the name of the person you were chatting with and select them. You'll see that the chat history is hidden (which you can choose to show by selecting it).

Windows 10 puts notifications and quick actions in Action Center—right on the taskbar—where you can get to them instantly. Select Action Center on the taskbar to open it. (You can also swipe in from the right edge of your screen, or press Windows logo key + A.). Notifications at a glance

If your account has been hacked, use our sign-in helper tool below to help guide you to the right solutions. The tool will ask for your email address or phone number, and either show appropriate self-help, or offer the chance to talk to an agent.

Add your work or school account. On your computer, note the Code and Url information on the Configure mobile app page.Keep this page open so you can see the code and URL.

Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

In Outlook, you have the option to: Translate an email message | Translate part of a message | Change translation settings | Data & privacy. Translate an email message. When you receive an email message in another language, you'll see a prompt at the top of the message asking if you'd like Outlook to translate it into your preferred language.

For more information about registry data types, click the following article number to view the article in the Microsoft Knowledge Base: 256986 Description of the Microsoft Windows registry DataValuex immediately follows the colon (or the equal sign with REG_SZ) and must be in the appropriate format (for example, string or hexadecimal). Use hexadecimal format for binary data items.

Try it! Keep track of everyone you communicate with by creating and editing contacts in Outlook for Windows. Once you’ve saved someone as a contact, you can type the first few letters of their name into an email, and Outlook for Windows will fill in their email address for you.