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

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.

In an open message, on the Message tab, in the Respond group, click Vote, and then click the option that you want. The sender can see all responses in a table. On one of the response messages, click the The sender responded line in the message header, then click View voting responses.

Find help and support content for Microsoft Phone Link. Learn time-saving tips and explore how you can use Phone Link to stay productive.

Create a presentation in PowerPoint. Create presentations from scratch or start with a professionally designed, fully customizable template from Microsoft Create. Tip: If you have Microsoft Copilot it can help you create a presentation, add slides or images, and more.

Use the Microsoft Authenticator app to sign in securely without a password. Learn why you received a notification about unusual activity in your account and what to do next.

You can turn Microsoft Defender Firewall on or off and access advanced Microsoft Defender Firewall options for the following network types: Domain (workplace) networks. Private (trusted) networks. Public (untrusted) networks. If you want to change a setting, select the network type you want to change it on.

Go to the search box and enter remote assistance, then select Invite someone to connect to your PC and help you, or offer to help someone else. Select Help someone who has invited you. Do one of the following: If you’re using Easy Connect for the first time, select Use Easy Connect.

COUNTIF function. Use COUNTIF, one of the statistical functions, to count the number of cells that meet a criterion; for example, to count the number of times a particular city appears in a customer list. In its simplest form, COUNTIF says:

Windows 激活方法. 取决于你获取 Windows 11 副本的方式，你需要数字许可证或由 25 个字符组成的产品密钥才能激活该副本。. 如果二者都不具备，则无法激活你的设备。. 数字许可证（在 Windows 11 版本中称为数字授权）是 Windows 11 的一种激活方法，该方法不需要输入 ...