Digital signatures and certificates - Microsoft Support
Signing certificate and certificate authority. 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.
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Visio Plan 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 Professional 2016, Visio Standard 2016
Where to enter your Office product key - Microsoft Support
If your purchase of Office or Microsoft 365 came with a product key, you enter your product key on one of the websites listed below for your product. After you enter your key, you can download and install Office, or you can renew your Microsoft 365 subscription. Tip: Get tech expertise with Business Assist.
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016, Microsoft 365 for home, Office for business
Fix Bluetooth problems in Windows - Microsoft Support
If you run into problems trying to connect to a Bluetooth device, here are some troubleshooting steps to try. Note: For general info about how to connect a Bluetooth device to your PC, see Pair a Bluetooth device in Windows.
Office Help & Training
share their data. You can learn more about Mic rosoft’s data collection and use in the product
Use Microsoft Translator in Microsoft Edge browser
In the Translate to dropdown, choose the language you want the page translated into. The default is the language you've set for Microsoft Edge. To translate the page, click Translate. To always automatically translate from the source language, select the Always translate from [Language] check box.
Applies To:
Microsoft Edge
当您尝试在 Xbox One 或电脑上启动游戏或应用程序时出现错误 0x87dd0013 | Xbox Support
解决方案 1：检查 Xbox Live 服务状态. 查看 Xbox 状态页面。. 如果看到任何服务警报，请展开服务，向下滚动到“通知”，然后登录以在服务启动并再次运行时接收消息。. Xbox 状态.
Activate Windows - Microsoft Support
Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.
如果 Xbox 遭窃怎么办 | Xbox Support
在账户上，转到“付款和帐单”>“订单历史记录”。. 登录到 Microsoft 帐户. 如发现未知付费，联系 Xbox 支持人员。. 关注帐户以确保任何可能的未授权费用有时间显示到你的帐户。. 如果你的帐户与信用卡或其他支付选项关联，我们建议向金融机构报告失窃事件 ...
Finding your BitLocker recovery key in Windows - Microsoft Support
If your system is asking you for your BitLocker recovery key, the following information may help you locate your recovery key and understand why you're being asked to provide it. Important: Microsoft support is unable to provide, or recreate, a lost BitLocker recovery key.
Edit your passwords in Microsoft Edge - Microsoft Support
You can easily edit the passwords saved in Microsoft Edge. Important: Changing the password in Microsoft Edge doesn't change the password for the website. You'll need to ensure that the password stored in Microsoft Edge matches the password you've set for the website.