How to sign in to or out of Outlook.com - Microsoft Support
Try these solutions if you can't sign in to your Outlook.com, Hotmail, Live, or MSN email account, or you're not sure how to sign in or sign out.
适用于:
Outlook.com
Manage your Microsoft 365 subscription or Office product
Follow the prompts to install or reinstall the desktop apps. For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Microsoft 365 Mac 版专属 Excel, Microsoft 365 Mac 版专属 Word, Microsoft 365 Mac 版专属 Outlook, Microsoft 365 Mac 版专属 PowerPoint, Microsoft 365 Mac 版专属 OneNote, Word 网页版, OneNote 网页版, PowerPoint 网页版, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 管理员, Outlook 网页版, Word Web App, Microsoft 帐户仪表板, 新的 Outlook for Windows
在 Windows 中卸载或删除应用和程序 - Microsoft 支持
可通过不同的方式删除应用和程序，因此如果找不到要查找的应用和程序，可以尝试另一个位置。 请注意，某些应用和程序内置于 Windows 中，无法卸载。 如果程序无法正常运行，则可以先尝试 修复 它。 Windows 11 Windows 10 从“开始”菜单卸载
How to download and install the latest printer drivers
Find out how to install the latest driver for your printer. If you recently upgraded Windows, your printer driver might need to be reinstalled.
Download Microsoft Authenticator - Microsoft Support
To install Authenticator on your Android device. Scan the QR code. or download and install Authenticator from the Google Play store.
Update drivers manually in Windows - Microsoft Support
Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.
Give your PC a Fresh Start - Microsoft Support
Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.
新 Outlook 和经典 Outlook for Windows 功能比较 - Microsoft ...
新的 Outlook for Windows 提供最新功能、Microsoft Copilot 辅助功能，以及新的现代简化设计，可帮助你连接、组织和完成工作。
适用于:
Microsoft 365 专属 Outlook, 新的 Outlook for Windows
Get the latest Windows update - Microsoft Support
Download the latest Windows update from the Windows Update page in Settings for your device when it becomes available.
Sign in to sync Microsoft Edge across devices
With Microsoft Edge, you can turn on sync to browse the web on all your devices, keep your favorites organized, and more.