The first time you open an app like Word or PowerPoint you might need to sign in with your new business email address and password to activate the app. Tip Signing in connects the apps to the rest of Microsoft 365, letting you save files to the cloud, share files with others, and have your documents save automatically as you work.

If you’ve been using Windows Live Mail, you might want to give the Windows Mail app a try. If you sign in to your PC with your Microsoft account, your email address is already set up in the Mail app. And the Mail app syncs with the People and Calendar apps on your PC and your Windows Phone.

了解如何在 Edge 浏览器中使用Microsoft 翻译工具来翻译网页。 ... 如果在设置中打开用与首选语言不同的语言编写的页面，Microsoft Edge会自动提示你翻译它。 转到用外语编写的网页时，“翻译”图标 显示在地址栏中。如果语言未包含在设置中的首选语言列表中，则该语言被视为外在语言。

Some versions of Microsoft 365 such as Office Professional Plus 2021, Office Standard 2021, or a stand-alone app such as Word 2021 or Project 2021 don't have an associated Microsoft account, or work or school account. The steps to install these versions can be different depending if you got Microsoft 365 through one of the following ways:

如果你有Microsoft 365 订阅或非订阅版本（如 Office 小型企业版 2021、2019 或 2016），在大多数情况下，不能在同一台计算机上一起运行这些版本。 但有一种情况例外：如果这两个产品有一个是通过 MSI 进行安装的（常见于批量许可的产品），则可以并行运行。

如果不想继续使用Windows 10 家庭版并想要更改版本，请参阅将Windows 10 家庭版升级到 Windows 10 专业版 。 激活最新的 Windows 10 Insider Preview 如果你是 Windows 预览体验成员并且已在运行 Windows 10 Insider Preview 内部版本，你将自动收到已激活的新的内部版本，前提是在升级到新的内部版本之前 Windows 已在设备 ...

将 Windows 11 部署到数百或数千台计算机的大型组织会使用 Windows 11 专业版 批量许可证客户端。 在此情况下，通常由组织来管理激活，并且你将需要与系统管理员联系以获取帮助。 有关详细信息，请参阅 Windows 许可证到期 ...

如果你有多个要插入的 5 毫米插孔（尤其是在环绕音响系统上），请确保所有电线和线缆都插入到了正确的插孔中。 如果不清楚哪个插孔与哪根电线匹配，请咨询你的硬件制造商，或者一次一个地尝试最明显的输出，然后查看它们是否正常工作。

Open the OneDrive mobile app and select Files or Recent. Select the file. If you need to install the Office mobile apps, see Set up Office apps and email on a mobile device. Upload a file or folder. In OneDrive, select Upload. In File Explorer, select the files and drag them to OneDrive.

If you are planning to use Teams free or if you were a guest in an org, you can connect and collaborate by downloading and installing another version of Microsoft Teams (work or school) and signing in with your Microsoft account or the guest account where the invite was sent to.