获取数字证书并创建数字签名 - Microsoft 支持
有许多商业第三方证书颁发机构可以从中购买数字证书或获取免费数字证书。 许多机构、政府和公司也可以颁发自己的证书。 数字证书对于数字签名是必需的，因为它提供了可用于验证与数字签名关联的 私钥公钥 。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Word 2021, Word 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Office 2016, Excel 2013, Word 2013, Outlook 2013, PowerPoint 2013, Office 2013
Manage suggested recipients in the To, Cc, and Bcc fields in Outlook
Important: Exchange Online on Microsoft 365 provides some search features via Microsoft Search.This includes suggested recipients when composing a new email. Starting with Outlook for Microsoft 365 Version 2202 (Build 14931.20604), if you are connected to an Exchange Online mailbox, the compose suggestions for To/CC/BCC are powered by Microsoft Search and some information in this article doesn ...
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
使用 Office 脱机安装程序 - Microsoft 支持
Office 2021、Office 2019 或可一次性购买的 Office 2016 版本： 以下产品包括 Office 应用程序的完全安装版。 Office 家庭和学生版 Office 小型企业版 Office 专业版. 可一次性购买的独立 Office 2021、Office 2019 或 Office 2016 应用 Word Excel PowerPoint OneNote* Outlook Access
Applies To:
Office 2021, Office 2019, Office 2016, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Using a Microsoft account balance to make a purchase
If you received a digital code or card as a gift, you can either purchase another code or card to add to your account balance, or add a new credit card to your account and try making the purchase again.
Tất cả về Xbox Game Pass Ultimate | Xbox Support
Tỷ lệ chuyển đổi Xbox Game Pass Core và PC Game Pass: Mọi thời gian còn lại sẽ chuyển đổi thành thời gian Cuối cùng của Xbox Game Pass theo tỷ lệ 3:2 và được làm tròn thành ngày tiếp theo.Ví dụ, 90 ngày còn lại của Xbox Game Pass Core hoặc PC Game Pass sẽ chuyển thành 60 ngày của Xbox Game Pass Ultimate.
Windows 活动历史记录和隐私 - Microsoft 支持
注意: 如果在 202 KB5034204 4 年 1 月 23 日 Windows 11 23H2 和 22H2 更新之前在云中存储了以前的活动历史记录，则可以使用“清除活动历史记录”按钮删除云中以前存储的数据。否则，活动历史记录将在数据上次同步到云后的 30 天内自动删除。
Applies To:
Microsoft account dashboard
Collaborate on Excel workbooks at the same time with co-authoring ...
If you selected the Share button, people will receive an email message inviting them to open the file. They can select the link to open the workbook. A web browser will open, and the workbook will open in Excel for the web. If they want to use the Excel desktop app to co-author, they can select Edit in Desktop App.However, they'll need a version of the Excel app that supports co-authoring.
Applies To:
Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones, Excel for Windows Phone 10, Excel Mobile
Codecs in Media Player - Microsoft Support
Codecs allow you to play different formats of audio and video files. Media Player supports a wide variety of codecs. Most are included out of the box; some additional codecs can be installed from the Microsoft Store.
子女帐户的购买设置 | Xbox Support
默认情况下，子女帐户设置为要求获得成人的批准后，孩子才能通过其账户进行购买。如果保持“请求允许购买”功能处于打开状态，则可以继续确保孩子不使用成人的信用卡进行购买，并且可以监视他们想要购买的内容类型。你将能够通过电子邮件或“家长控制”页面批准或拒绝孩子的购买请求。
在 Outlook 中打开 .eml、.msg 和 .oft 文件 - Microsoft 支持
打开这些文件类型的其他方法. 还可以右键单击或双击.eml、.msg或 .oft 文件，以在新版 Outlook 中打开它们。 右键单击
Applies To:
New Outlook for Windows