Windows 10 更新助手 - Microsoft 支持
此疑难解答将为计算机尚未更新至最新版本 Windows 10 版本 1607 的客户提供协助。 此更新最初只会发布给一小组有针对性的客户。 这些客户会随着时间的推移而扩展。 Windows 用户可以从本文启动助手。
I can't sign in to my Microsoft account - Microsoft Support
Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.
Applies To:
Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2016, Microsoft 365 for home, Office for business, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Office, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
SharePoint help & learning
The SharePoint landing page serves as a comprehensive resource for end users exploring functionalities of SharePoint. It offers guidance on getting started with SharePoint, including how to sign in, create SharePoint sites, and set up pages to organize content effectively. Users can access tutorials on managing documents and libraries within SharePoint, as well as leveraging data and lists for ...
Install and use different versions of Office on the same PC
If you have a Microsoft 365 subscription or non-subscription version such as Office Home and Business 2021, 2019, or 2016, in most cases you can't run these versions together on the same computer.
Applies To:
Office 2024, Office 2021, Office 2019, Office 2016
How to play MP4 files in Windows 10 - Microsoft Support
On a PC running Windows 10, select Start > File Explorer, or select File Explorer from the taskbar.. Press and hold (or right-click) the MP4 file you want to play, select Open with, and then choose your preferred file player from the list of applications.
Download and install Skype for Business on Windows
Skype for Business makes it easy to connect and collaborate with coworkers and business partners around the world: Start instant message conversations and voice or video calls.
Applies To:
Skype for Business, Skype for Business Online
Windows Update Troubleshooter - Microsoft Support
Support for Windows 10 will end in October 2025. After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10.
Upload and save files and folders to OneDrive - Microsoft Support
Use OneDrive in your browser. Sign in to office.com.. Sign in to https://login.partner.microsoftonline.cn and select OneDrive.. Sign in to https://portal.office.de and select OneDrive.. Select the app launcher icon , and then select OneDrive. Pick a file or folder by selecting the circle in the upper corner of the item, and then select a command at the top of the page.
Applies To:
Office for business, Microsoft Office, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows
How to verify an email address in your Microsoft account
When you sign up for a Microsoft account or add an email address to your account, we automatically send a request to that email for you to verify that we have the right address.
Applies To:
Microsoft account dashboard
下载Microsoft Authenticator - Microsoft 支持
注意: Microsoft Authenticator 不适用于电脑或 Mac，因为出于安全原因，验证器应用通常用于智能手机。 了解详细信息。 Microsoft不再支持超过一年的 Authenticator 版本。