Note: If you forgot your account info and had to reset your security info, you must wait 60 days before closing your account.

Learn how to use your Outlook inbox effectively with Microsoft Support's training resources.

Aprende a crear medios de instalación para instalar o reinstalar Windows 7, Windows 8.1 o Windows 10.

使用 vlookup、hlookup 和其他函数（如 index 和 match）根据您输入的值搜索和查找数据。 本文将让您快速回顾 vlookup，然后链接到更多内容。

You can add an input language in Settings. Adding an input language lets you set a language-preference order for websites and apps. It also lets you change your keyboard language.

Update Microsoft Store. Select Start, then from the apps list, select Microsoft Store.In Microsoft Store, select Library > Get updates.If an update for Microsoft Store is available, it will start installing automatically.

The TEXT function lets you change the way a number appears by applying formatting to it with format codes.It's useful in situations where you want to display numbers in a more readable format, or you want to combine numbers with text or symbols.

Create Outlook Data Files (.pst) on your computer to save Outlook items by account, project, or to archive older items.

Discover the latest features in Office 2021, including new ways to create content, manage data, and communicate effectively.

Learn how to reinstall Windows on your PC and how activation works after it's installed.