Billing & payments. Your dashboard is also where you can: Buy, renew, or cancel a subscription.

Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.

注意: 本页面是自动翻译的，可能包含语法错误或不准确之处。 我们的目的是使此内容能对你有所帮助。 能否告知我们此信息是否有所帮助？ 下面是该参考内容的英文版。

Compose your message and when you're ready, tap Send to start the chat.. Start a chat with yourself. You’ll see your name pinned to the top of your chat list by default.

查找 Microsoft Excel 帮助和学习资源。 了解如何有效使用 Excel 的指导文章、指南、培训视频和提示。

2. Fill out the form using a recognized device and location. If possible, complete the form using a device you previously used to sign into your account and at a location where you commonly use that device and that we'll recognize, such as your home or office.

若要能够通过邮件合并批量发送电子邮件，必须已安装 MAPI 兼容的电子邮件程序，例如Outlook 或 Gmail。 以下过程假定你已拥有在 Microsoft Word 中创建并打开要发送的消息。

按兩下 [自動求和] 按鈕以使用 Average 函數，或在公式中使用 Average 和 AverageIF 函數來尋找一組數位的平均值，以尋找一組數位的平均值。

执行下列操作之一： • 若要更改脚注编号的格式，请选择 “脚注引用样式”。 • 如果要更改页面底部脚注文本的格式，请选择 “脚注文本样式”。

Important: Microsoft accounts, the Windows operating system, and other Microsoft products include passwords to help secure your information.This article provides some options that you can use to reset or recover your password if you forget it. Be aware that, if these options don’t work, Microsoft support can't help you retrieve or circumvent a lost or forgotten password.