How does multifactor authentication work? Let's say you're going to sign into your Microsoft account or work or school account, and you enter your username and password.If that's all you need then anybody who knows your username and password can sign in as you from anywhere in the world!

Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Accessibility > Text size.To make only the text on your screen larger, adjust the slider next to Text size.To make everything larger, including images and apps, select Display , and then choose an option from the drop-down menu next to Scale.

Select the cell you want to combine first. Use commas to separate the cells you are combining and use quotation marks to add spaces, commas, or other text.

Compress the file. When you compress, or zip, your file, it decreases its size, and it might decrease it enough to fit within the Outlook size limits for attachments.The following articles describe how to compress and extract files for different Windows operating systems.

深色主题将新版 Microsoft Edge 中的默认明亮背景色更改为较深的颜色，从而在光线较暗的环境中让眼睛更加舒适，或者迎合喜欢较暗界面的用户。. 下面介绍如何激活深色模式： 转到"设置"和"更多 >设置"。

在 Word 中协作处理共享文档。 了解如何共同编辑和共享 Word 文档。 与其他人员同时聊天、跟踪和审阅更改。

培训：PowerPoint 演示者视图显示当前幻灯片、下一张幻灯片和演讲者备注，以帮助你在演示和与受众联系时集中注意力。 观看本视频了解如何操作。

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

你可以从 Windows 的 Microsoft Store 中下载并安装应用。 若要查找Microsoft应用商店应用，必须运行 Windows 11。 若要了解哪些应用可以在你的设备上使用，请选择任务栏上的 Microsoft Store。如果你没有看到任务栏上的 Microsoft Store 图标，请选择 开始 ，键入Microsoft Store，然后通过在结果列表中选中它来打开 ...

锂电池随着时间的推移而磨损，这可能导致电池只要是新电池就不能保持充电。 始终将电池充电至 100% 可能会导致电池变坏得 ...