安装 Windows 7 Service Pack 1 (SP1) - Microsoft 支持
安装 Windows 7 Service Pack 1 (SP1) Windows 7 支持已于 2020 年 1 月 14 日结束。. 我们建议你转到 Windows 11 电脑来继续从 Microsoft 接收安全更新。. 获取 SP1的推荐（并且最简单）方法是在“控制面板”中的“Windows 更新”中打开自动更新，然后等待 Windows 7 通知你 SP1 已准备 ...
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Word 中使用 UnicodeMath 和 LaTeX 的线性格式公式 ...
若要使用键盘插入公式，请按 Alt+ =，然后键入公式。 您可以使用“数学自动更正”在公式区以外插入公式符号。 有关详细信息，请参阅在公式区以外使用“数学自动更正”规则复选框。 此外，还可通过键盘使用关键字和数学自动更正代码组合创建数学公式。
适用于:
Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Word 2021, Outlook 2021, Word 2019, Outlook 2019, Word 2016, Outlook 2016
Как найти ключ продукта Windows - Служба поддержки ...
Найдите ключ продукта для Windows 10 или Windows 11. В зависимости от того, как вы получили копию Windows 10 или Windows 11, для ее активации потребуется 25-значный ключ продукта или цифровая лицензия. Цифровая ...
适用于:
Microsoft 帐户仪表板
Einrichten von E-Mails in der Android-E-Mail-App
Tippen Sie auf das Menüsymbol in der oberen linken Ecke > Einstellungen > Konto > Exchange hinzufügen, und Microsoft 365. Wichtig: Wählen Sie Outlook, Hotmail und Live NUR DANN aus, wenn Sie nur Ihre E-Mails, aber keine Kalender/Kontakte synchronisieren möchten. Geben Sie Ihre vollständige E-Mail-Adresse ein, und tippen Sie auf Weiter.
适用于:
Microsoft 365 专属 Outlook, Microsoft 365 Mac 版专属 Outlook, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, Outlook.com, Outlook Web App
Digital signatures and certificates - Microsoft Support
Signing certificate To create a digital signature, you need a signing certificate, which proves identity. When you send a digitally-signed macro or document, you also send your certificate and public key. Certificates are issued by a certification authority, and like a driver’s license, can be revoked. A certificate is usually valid for a ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, Visio 计划 2, 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 专业版 2016, Visio 标准版 2016
اقتران جهاز Bluetooth في Windows - دعم Microsoft
تشغيل Bluetooth. بعد التحقق من أن جهاز الكمبيوتر Windows 11 يدعم Bluetooth، ستحتاج إلى تشغيله. إليك كيفية إجراء ذلك: في الإعدادات: حدد Start > Settings > Bluetooth & devices ، ثم قم بتشغيل Bluetooth . في الإعدادات السريعة: للعثور ...
Recall an email message that you sent in Outlook
To recall and replace a message in new Outlook. Select Sent Items in the left folder pane, then double-click the sent message to open it in a separate window. From the ribbon, select Recall Message, then select OK in the confirmation dialog box. Shortly thereafter, you'll receive a Message Recall Report in your inbox.
适用于:
Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft 365 管理员, Outlook 网页版, Outlook.com, 新的 Outlook for Windows
Request a refund for digital games | Xbox Support
Refunds are typically issued for requests meeting the following criteria: Requests are made within 14 days of the purchase date. Requests are for games in which you haven’t accumulated a significant amount of play time. Note As a limited exception, digital game products may be eligible for a refund within 30 days if you’re unsatisfied with ...
Find action center in Windows 10 - Microsoft Support
Windows 10. In Windows 10, the new action center is where you'll find app notifications and quick actions. On the taskbar, look for the action center icon. The old action center is still here; it's been renamed Security and Maintenance, and it's still where you go to change your security settings. In the search box on the taskbar, type security ...