Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
为升级 Windows 11 准备就绪 - Microsoft 支持
安装 Windows 11. 在针对你的特定电脑测试和验证 Windows 11 升级后,Windows 更新将指示它已准备好安装。 若要检查 Windows 11 是否已为你的设备准备就绪,请转到“开始” “设置” >“更新和安全性” >“Windows 更新” ,然后选择“检查更新”。 如果升级适用于你的设备,并且想要继续,请下载并安装它。
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public.It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.
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
Check and share your form results - Microsoft Support
Notes: If you're using the mobile site, go to the Responses tab on the bottom of the site and select the arrow in the center. You'll be able to copy or email the link from there.
Applies To: PowerPoint for Microsoft 365, Microsoft Forms
Change the default font or text color for email messages
In Outlook, the default font is 11-point Calibri in black. It's used when you compose new email messages. You can change the default font and its color, size, and style — such as bold or italic.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
Share your network printer - Microsoft Support
In Windows 10, you can share your printer with many PCs on your network. To share a printer from the PC that the printer is connected to (the primary PC) with secondary PCs that the printer is not connected to, you must set up sharing settings for the printer, connect the printer to the primary PC (either wirelessly or by using a USB cable), and then turn on the printer.
What to do if your Surface power supply or charger doesn’t work
Try using another Surface power supply or USB-C PD charger: If you have another Surface power supply available, try using that to charge your Surface.If your Surface has a USB-C port, try using a USB-C PD charger instead. If those work or if you don't have another Surface power supply or USB-C PD charger, start a service order for your power supply.
Microsoft Edge for mobile FAQs - Microsoft Support
Browse on the go with the new Microsoft Edge for Android and iOS devices. Microsoft Edge offers better protection and privacy, and can sync your favorites, passwords, and more across your desktop and mobile devices.
First things to know about group chats in Microsoft Teams
It's a good idea to name your group chat, so it's clear what the subject of the conversation is. To start and name a new group chat, select New chat at the top of your chat list. Select the down arrow at the right side of the To field and then enter a name in the Group name field. You'll see the name at the top of the group chat.
Applies To: Microsoft Teams
更新 Xbox 无线控制器 | Xbox Support
除原装 Xbox 无线控制器外,其他都可以通过无线方式获取更新,而不必使用 USB 缆线进行连接。 此控制器底部有 3.5 毫米圆形小端口(如果控制器有此端口,仅可通过 USB 缆线进行更新)。
Use Favorites in Outlook - Microsoft Support
When a folder is added to Favorites, it’s a shortcut to the folder.The actual folder and its content remains at the original location in the folder list. Removing a folder from Favorites doesn’t delete the folder or contents—it removes only the shortcut that appears in Favorites.. By default, when a folder is added to Favorites, it appears at the bottom of the list.
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows