How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Disable all macros except digitally signed macros Macros are disabled, and security alerts appear if there are unsigned macros present.However, if the macro is digitally signed by a trusted publisher, the macro just runs. If the macro is signed by a publisher you haven't trusted yet, you are given the opportunity to enable the signed macro and trust the publisher.

若要将其关闭，请将设置切换为“关闭”。 关闭 Microsoft Defender 防火墙可能会使设备（以及网络，如果有）更容易受到未经授权的访问。

The new Microsoft Edge will delete your browsing history, cookies, and site data, as well as passwords, addresses, and form data when you close all InPrivate windows. You can open an InPrivate window in different ways: Select and hold (right-click) the Microsoft Edge logo in the taskbar and select New InPrivate window.

Show the Developer tab. If the developer tab isn't already visible, see Show the Developer tab.. Make your list. Type the list.

By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN and to take that experience with you on every device, including the MSN website and the MSN apps.

After you set up your security verification methods for your work or school account, you can update the related details. Using the Security info page

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

Most of the time, Excel will recognize this, and you'll see an alert next to the cell where numbers are being stored as text. If you see the alert: