Get tips for what to do if your touchscreen doesn't work.

从Windows 显示语言菜单中选择一种语言，或者，在首选语言旁边，选择 "添加语言以安装所需的语言（如果未列出）。

Add or change headers and footers in Excel. Add the date, time, page numbers, filename or any other text.

Learn how to create a basic PowerPoint presentation with step-by-step guidance on Microsoft's support page.

Get more out of your email with Outlook.com. We've streamlined search to make it easier than ever to find what you're looking for. New features like Files and attachment previews let you see your pictures and files without leaving your inbox.

In Outlook, you have the option to: Snooze or dismiss events or tasks | Turn the notifications on or off | Add reminders to events | Add reminders to tasks | Troubleshoot notifications. Snooze or dismiss an event or task. With the reminders window, you can select to snooze calendar events and tasks, join a Teams meeting, or dismiss events and tasks.

Describes how to define rules for automatic forwarding and redirection.

Create a system restore point. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Use the Block or Allow settings in Outlook Web App to help control unwanted and unsolicited email messages.

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