Se não for possível entrar na conta de email do Outlook.com, Hotmail, Live ou MSN, ou se não souber como entrar ou sair, confira algumas soluções.

Get help for the account you use with Microsoft. Find how to set up Microsoft account, protect it, and use it to manage your services and subscriptions.

By signing in with a Microsoft account, the new MSN allows you to personalize your experience on MSN.

了解如何使用产品密钥或数字许可证激活 Windows、检查激活状态，以及链接Microsoft 帐户。

In PowerPoint, learn how to troubleshoot Designer if you don't see the Designer button, no suggestions are offered, or the button is grayed out.

A workbook is a file that contains one or more worksheets to help you organize data. You can create a new workbook from a blank workbook or a template. By default, a new workbook contains three worksheets, but you can change the number of worksheets that you want a new workbook to contain. You can also add and remove worksheets as needed.

How to use the COUNTIF function in Excel to count the number of cells that meet values you set.

The Calculator app for Windows is a touch-friendly version of the desktop calculator in previous versions of Windows. You can open multiple calculators at the same time in resizable windows on the desktop and switch between Standard, Scientific, Graphing, Programmer, Date calculation, and Converter modes.. To get started, select the Start button, and then select Calculator in the list of apps.

The Microsoft OneDrive icons in desktop notification areas, menu bars, Windows File Explorer and macOS Finder tell you the sync state of the file or folder.

See how to install Project 2013 and 2016 and Project Pro for Office 365.