若要向 “安全发件人和收件人”添加条目，请在“ 在此处输入发件人或 域”文本框中要标记为安全的电子邮件地址或域，然后按 Enter 或选择文本框旁边的 “添加 ”图标 。. 例如，要将来自以 contoso.com 结尾的地址的所有电子邮件标记为安全，请在文本框中输入 contoso.com。

试一试！ 在 Excel for Microsoft 365 中，你可以使用“批注”与其他人进行对话，或者使用“备注”来进行批注。 添加批注以开始对话. 右键单击某个单元格，然后选择“新建批注”。

Advanced email security. As a Microsoft 365 subscriber, you get enhanced security tools that help protect your inbox from phishing and malware.

Note To use many of the Xbox features within Game Bar, including Xbox Social features, you must have the Xbox app for Windows installed. To use Xbox Social features, sign in to Game Bar with your Microsoft account. Press the Windows logo key + G to open Game Bar, choose Settings > Accounts, select Sign in, and then follow the steps.

Узнайте, как добавлять учетные записи пользователей в Windows 10 и Windows 11. В каждой учетной записи хранятся файлы пользователя, избранное браузера и личный рабочий стол пользователя.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

In the To, Cc, or Bcc boxes, enter the recipients' email address or names.. As you start typing a recipient's name, Outlook will suggest the names of people you've emailed before. Those you've emailed most recently will be listed as Suggested contacts.You can pick a name from the list, type a full name or email address, or select the To, Cc, or Bcc button to see more options.

Syncing is a one-way connection that goes from your third-party account to your Outlook.com account. Changes made in your third-party account will be reflected in Outlook.com, but changes made directly in Outlook.com won't appear in your third-party account.

语法. WEEKNUM(serial_number,[return_type]) WEEKNUM 函数语法具有下列参数： Serial_number 必需。代表一周中的日期。 应使用 DATE 函数输入日期，或者将日期作为其他公式或函数的结果输入。

Important: If the individual you want to transfer the subscription to hasn't purchased it yet and they're also currently sharing your subscription, (for example, they're a member of your Microsoft Family), make sure you stop sharing with them before they activate the new subscription.