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 It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.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
管理对个性化广告的游戏数据的使用 | Xbox Support
你有哪些个性化广告选项? 当你的个性化广告设置为 “打开”时,你将看到基于设备中的数据以及你与我们共享的其他数据的个性化广告,我们认为这些广告对你更有趣和有用。 此数据包括 Xbox 使用情况、站点访问次数和经常浏览的主题。
在Word文档中插入签名 - Microsoft 支持
手写签名可让你的文档具有个人风格。 你可以扫描你的签名,将其存储为图片,然后在 Word 文档中插入签名。 扫描手写签名并插入手写签名的图片 在纸张上写下您的签名。 扫描该页面并以常见的文件格式将其保存在计算机上:.bmp、.gif、.jpg 或 .png。
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2024, Word 2024 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2016, My Office for iPhone
Insert a signature in a Word document - Microsoft Support
How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.
Applies To:
Word for Microsoft 365, Word for Microsoft 365 for Mac, Word 2024, Word 2024 for Mac, Word 2021, Word 2021 for Mac, Word 2019, Word 2016, Microsoft Office
使用产品激活门户激活Microsoft永久产品 - Microsoft 支持
Microsoft正在对永久许可证的激活体验进行现代化改造。 从 2025 年 12 月 3 日起,传统的基于电话的产品激活自动化过程已从电话转移到在线。 客户将改用产品激活门户: 产品激活门户 新的数字工作流提供更安全、更可靠且用户友好的激活体验,并有助于防止欺诈。 虽然该过程已更新,但脱机激活 ...
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在 Outlook 中创建、添加或更改电子邮件签名 - Microsoft 支持
在Outlook 中,可以为电子邮件创建一个或多个个性化签名。 签名可以包括文本、链接、图片和图像 (,例如手写签名或徽标) 。
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Outlook on the web, Outlook.com, My Office for iPhone, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Error 0xC03F7003 occurs when installing an Xbox Game Pass game on a PC
Learn how to fix Error 0xC03F70003 so you can download an Xbox Game Pass game on your PC.
Insert copyright and trademark symbols - Microsoft Support
Three ways to add copyright or trademark symbols to your Outlook messages.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016
Create and share contacts as Electronic Business Cards
Electronic Business Cards make it easier to create, view, and share contact information in Outlook. An Electronic Business Card displays contact information similar to a paper business card. You can create an Electronic Business Card from new information or from contact information that you already have in Outlook. Create an Electronic Business Card The first step is to choose the card layout ...
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Outlook 2013