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!

个人设备的所有者或管理员激活了 BitLocker (在某些设备上也称为设备加密，) 通过“设置”应用或控制面板： 在这种情况下，激活 BitLocker 的用户选择了保存密钥的位置，或者在设备加密的情况下选择 (，) 自动将密钥保存到其 Microsoft 帐户。

A TPM (Trusted Platform Module) is used to improve the security of your PC. It's used by services like BitLocker drive encryption, Windows Hello, and others, to securely create and store cryptographic keys, and to confirm that the operating system and firmware on your device are what they're supposed to be, and haven't been tampered with. ...

Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Microsoft Copilot; Microsoft 365

Outlook.com: For emails and contacts in an Outlook.com account that you’d like to save or transfer, see Export mailbox and delete search history in Outlook.com. To export messages from the desktop version of Outlook, follow the steps in Export or backup email, contacts, and calendar to an Outlook .pst file.

Here’s some info about charging your Surface and what Microsoft-licensed power supplies are available for Surface. Connect your charger. To begin charging your Surface, connect the power supply that was designed for your Surface to a power source—a wall outlet, power strip, or surge protector.

You can open the Copilot pane via the Copilot icon in the ribbon's Home tab. This helpful feature provides answers to questions—broad or specific—about your document. You can even iterate and refine with back-and-forth discussions, get a summary or specific information about the document content, or ask it to generate ideas, tables, or lists that you can copy and insert into your document.

32-bit Arm apps available from the Store in Windows are not supported by Mac computers with M1, M2, and M3 chips. 32-bit Arm apps are in the process of being deprecated for all Arm versions of Windows.

In the Cell link box, enter a cell reference that contains the current state of the option button.. The linked cell returns the number of the selected option button in the group of options. Use the same linked cell for all options in a group.

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Accessibility > Text size.To make only the text on your screen larger, adjust the slider next to Text size.To make everything larger, including images and apps, select Display , and then choose an option from the drop-down menu next to Scale.