What is a Microsoft account used for? You need a Microsoft account to sign in to your Windows pc, Xbox console, or any of Microsoft’s products and services, including Office, Outlook.com, OneDrive, Xbox Live, Microsoft 365, Family Safety, Skype, Bing, Microsoft Store and MSN.

If you're having trouble using the Outlook for Android mobile app, Open an in-app Outlook support ticket. If you have a work or school account that uses Microsoft 365 for business or Exchange-based accounts, there may be additional requirements set by your IT admin.

sumifs 函数是一个数学与三角函数，用于计算其满足多个条件的全部参数的总量。 例如，可以使用 sumifs 计算一个国家/地区内 (1) 邮政编码为同一个且 (2) 利润超过了特定美元值的零售商的总量。

To activate using your digital license, you'll need to upgrade to Windows 11 Pro: Save your work and close any open apps.

Notes: If someone is already part of a family group, they must leave or be removed from that group before joining another. They can also create a new Microsoft account to associate with a new family group. Explore Microsoft Family Safety features and benefits.

准备好安装了吗？ 在开始之前，请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥，只需重新安装应用，或者知道你已通过工作或学校分配了许可证，则可以跳到登录部分 ，下载并安装 Microsoft 365 或 Office。 但是，如果是 首次 安装 Microsoft 365 或 Office，可能需要先执行一些步骤。

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使用文件共享、云服务或其他解决方案发送大型文件，以便在 Outlook 中解决文件大小限制。

If you purchase DLC and add-ons for a game that later leaves the catalog, your DLC and add-ons will not be removed. However, to continue playing the DLC and add-ons, you’ll need to purchase a digital copy of the game from the Xbox app for Windows or the Microsoft Store, play from a disc, or obtain another form of entitlement to continue playing the game

Add your Outlook.com, Microsoft 365, or Exchange-based email account to your iPhone, iPad, or iPod Touch using the iOS Mail app.