当在新设备中首次启动 Windows 10 时，设备上已安装的防病毒保护程序即是你的默认安全应用。但是，Windows 安全中心已预安装并可随时使用。

Learn how to start a group chat in Microsoft Teams, share files and make calls with your friends or coworkers, outside of channels.

Learn more about family group roles, permissions, and how you share data with Microsoft and your family.

Prøv disse løsninger, hvis du ikke kan logge på din Outlook.com-, Hotmail-, Live- eller MSN-mailkonto, eller hvis du ikke er sikker på, hvordan du logger på eller af.

Get help and support for Microsoft Edge. Find Microsoft Edge support content, how-to articles, tutorials, and more.

Get help with your questions about using GroupMe with our how-to articles and support content.

De app Pc-statuscontrole biedt actuele informatie over de status van je Windows-apparaat, zodat je actie kunt ondernemen om de prestaties van je apparaat te verbeteren en prestatieproblemen op te lossen.

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

Link to calendars on Microsoft SharePoint sites . If you have access to a SharePoint site, you can view the lists of events from that site in your Outlook Calendar.

If you have a list of data you want to group and summarize, you can create an outline of up to eight levels. Each inner level, represented by a higher number in the outline symbols, displays detail data for the preceding outer level, represented by a lower number in the outline symbols.