即使已开启其他防火墙，开启 Microsoft Defender 防火墙也很重要。 它保护你免遭未经授权的访问。 若要打开或关闭 Microsoft Defender 防火墙，请执行以下操作：

Export Outlook email, contacts, and calendar to move them to another computer or so that you can make a backup of your information.

Linking to other workbooks is a very common task in Excel, but sometimes you might find yourself with a workbook that has links you can’t find even though Excel tells you they exist.

Fresh Start in Windows 10 lets you perform a clean reinstallation and update of Windows while keeping your personal data and most Windows settings intact.

Training: Learn how to create a spreadsheet, enter data, and create a chart in Excel.

Add or edit hyperlinks to web sites, local files, email messages, or anchor points in your document.

Surface Pro 7 features Work your way. Transform Surface Pro 7 from a tablet to a laptop with the Kickstand and Surface Signature Type Cover. Use the USB-C and USB-A ports to connect to displays, docking stations, and your accessories.

When trying to install updates from Windows Update you might receive "Updates Failed. There were problems installing some updates, but we'll try again later" with Errors: 0x80073701, 0x800f0988

Learn how to manage your Microsoft devices. Add, remove, register, or rename a device on your Microsoft account.

To return to the original settings later, go to Design > Paragraph Spacing and choose the option under Style Set.This may be Default or the name of style you’re currently using.. Change the line spacing in a portion of the document. Select one or more paragraphs to update.