How to investigate a billing charge from Microsoft
Here are the most likely causes for an unrecognized charge: A Microsoft subscription has recurring billing enabled. Someone you know, such as a family member, bought something with your card. You can now investigate this on the Manage your payments page. A previously declined charge was charged again. A pre-order or split order was shipped. Someone made an in-app purchase from an app, game, or ...
Applies To:
Microsoft account dashboard
有关现有 Xbox 主设备或配件服务订单的帮助
要更改电子邮件地址或用于服务订单的退货交付地址,你需要取消订单,然后重新提交。 如果已经发出 Xbox 设备,但发现需要将其送至与订单上所列地址不同的地址,请与承运商联系。 如果你已发出控制器、电源或其他配件,或支付了将直接发送给你的货物的款项,但发现需要将更换产品发送到不 ...
如何在 Xbox 上举报玩家或问题 | Xbox Support
了解如何举报在 Xbox 上行为不当或发布不当内容的玩家。
客户服务电话号码 - Microsoft 支持
注意: 请注意,Surface 商业设备的支持案例只能 联机 启动。 对于批量许可支持,请打开Microsoft 365 管理中心,选择“ 帮助 & 支持 ”,并搜索“管理批量许可”或提交 联机支持请求。 请不要忘记包括你的许可证 ID 或协议编号、你的联系人电话号码 & 电子邮件地址,以便我们可以联系你。 如果已有 ...
View digital signature and certificate details - Microsoft Support
See how to view the details for signatures and certificates.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Excel 2024, PowerPoint 2024, Excel 2021, Word 2021, PowerPoint 2021, Excel 2019, Word 2019, PowerPoint 2019, Excel 2016, Word 2016, PowerPoint 2016, InfoPath 2013
如何兌換禮品卡、兌換碼與優惠 | Xbox Support
了解如何在您的行動裝置、Windows 裝置或 Xbox 主機上兌換 Microsoft/Xbox 禮品卡或其他優惠碼或優惠。
硬件保护、保修和维修
硬件保修 Microsoft 设备或配件附带 Microsoft 提供的有限硬件保修。 条款和条件因国家或地区而异。 保修条款
Digital signatures and certificates - Microsoft Support
Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 2, Excel 2024, PowerPoint 2024, Access 2024, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Visio Professional 2021, Visio Standard 2021, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Visio Professional 2019, Visio Standard 2019, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Visio Professional 2016, Visio Standard 2016
Learn about securing and protecting email messages in Outlook
Learn how to use encryption and other security settings to protect messages sent from Outlook.
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook 2016 for Mac, Outlook Web App for Office 365, Outlook Web App for Office 365 Small Business, Microsoft365.com, Outlook on the web, Outlook.com, Outlook for Mac 2011, Microsoft Office, New Outlook for Windows, Outlook for Android, Outlook for iOS, Outlook Web App
Windows 安全启动证书过期和 CA 更新 - Microsoft 支持
什么是安全启动? 安全启动是统一可扩展固件接口中的一项安全功能, (基于 UEFI) 的固件,可帮助确保只有受信任的软件在设备的启动 (启动) 序列中运行。 它的工作原理是针对存储在设备固件中的一组受信任的数字证书 ((也称为证书颁发机构或 CA) )验证预启动软件的数字签名。 作为行业标准 ...