Note: the website or application you're trying to sign into must support passkeys in order for them to work.The good news is that the industry is quickly adopting passkeys as an authentication mechanism, so more and more websites and applications are beginning to offer this feature.

Delete a user account picture. Windows is designed to let you switch between your three most recent pictures on the Your info page. If you want to delete one of your account pictures:

Skype for Business lets you quickly connect with others across your company or around the world. It looks and feels like Skype, but has added productivity features that help run your business efficiently, like seeing when someone is available, in a meeting, or presenting, providing industrial strength security for calls, or broadcasting a meeting online to a large audience.

Select > Settings.. Select Settings, and open Advanced settings.. Under Files On-Demand, select either Free up disk space or Download all files.. To learn more about OneDrive Files On-Demand and cloud storage to save space on your computer, see Save disk space with OneDrive Files On-Demand for Windows.. Set up Sync for your library

下面介绍如何检查 Microsoft 365 订阅何时过期。 检查到期状态 . 转到你的服务和订阅页面。. 如果出现提示，选择“登录”并输入与 Microsoft 365 订阅关联的 Microsoft 帐户电子邮件/密码。 查看“服务和订阅”标题下的详细信息。 如果看到圆圈箭头，那么订阅设置为周期性帐单，除非关闭周期性帐单或 ...

Here are some of the most common types of phishing scams: Emails that promise a reward, such as "Click this link to get your tax refund!" A document that appears to come from a friend, bank, or other reputable organization.

If you have a Microsoft 365 Family or Microsoft 365 Personal subscription, Outlook.com includes encryption features that let you share your confidential and personal information while ensuring that your email message stays encrypted and doesn’t leave Microsoft 365.

Together, diagnostics and feedback are how you and your Windows device tell Microsoft what's really going on. As you use Windows, we collect diagnostic information, and to make sure we're listening to you, our customer, we've also built ways for you to send us feedback anytime, and at specific times, like when Windows asks you a question about how something is working for you.

在 Microsoft Excel 中，可以通过在条件单元格中键入所需的确切值，或使用单元格引用或定义的名称来设置条件。

如果您使用的是 Microsoft Outlook 應用程式或 Outlook.com，而且您和收件者都使用 Microsoft Exchange 或 Microsoft 365，而且在同一個組織中，您可以回收或取代您傳送的電子郵件訊息。 如果您使用的是新的 Outlook，請在這裡瞭解回收郵件的相關信息。