SharePoint is a browser-based app that you connect to through your web browser, like so: Go to office.com, and sign in to your work or school account. In the upper left corner of the window, select the app launcher > SharePoint.

You're on a PC and you're trying to install the Mac version of a one-time purchase of Office, such as Office Home & Student; or you're trying to install the PC version of Office on a Mac. For solutions to this, see Unsupported operating system error when installing Office.

With PowerPoint for the web you create presentations right in your browser. Create and save your presentations in your OneDrive, and edit and share them online. You don’t need any additional software and you don’t have to install anything. Here’s how to get started: Go to Office.com. Click PowerPoint.

You might get this message for one of these reasons: There was a problem with OneDrive. Try to upload the file again. The connection to OneDrive was lost during the file transfer, or you weren't signed in to OneDrive. Sign in to OneDrive with your Microsoft account, and then try to upload the file again.

Find the information you need to build, run, and grow your small business with Microsoft 365. Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

If yours did, before installing Microsoft 365 for the first time, sign in with an existing or new Microsoft account and enter your product key at office.com/setup. Redeeming your key is what links your account with Microsoft 365 so you only have to do this once.

请尝试引导演练以重新激活：. 尝试引导式支持. 或者，如果你在计算机上成功安装了 Microsoft 365 或 Office，但需要有关激活或重新激活它的帮助，请转到：. 对于 Microsoft 365 - 激活 Office。. 对于 Microsoft 365 for Mac - 激活 Office for Mac。. 对于 Office 2021、2019 或 2016 - 在 ...

要在新设备上使用 Microsoft 365，则可以将 Microsoft 365 激活为 Microsoft 365 家庭版 的 1 个月试用版。. 还可以购买 Microsoft 365 或非订阅版本的 Office，将 Microsoft 365 添加到现有 Microsoft 365 订阅，或从新产品密钥卡输入产品密钥。. 如果你有一个较旧的非订阅版本的 Office ...

在 Microsoft 365 社区论坛中 获取答案。. 使用 Microsoft 365 管理员帐户登录到 Microsoft 365 管理中心，选择“ 支持 > 帮助和支持 ”，输入问题并选择“ 联系支持人员 ”。. 如果你是帐户的管理员，还可以拨打 (800) 865-9408 (免费电话，仅限美国) 。. 如果你在美国以外 ...

在每天使用的 Microsoft 365 应用中实现 AI 助手可以想象到的任何内容。. 使用提示、操作说明和其他资源开始 Copilot 之旅. 查找 Copilot 的可用位置. Microsoft 365 概述. 比较 Microsoft 365 和 Office 2021. Microsoft 存储如何工作？. 在电脑或 Mac 上安装 Office 应用. 在何处输入产品 ...