The COUNTIFS function is similar to the COUNTIF function with one important exception: COUNTIFS lets you apply criteria to cells across multiple ranges and counts the number of times all criteria are met. You can use up to 127 range/criteria pairs with COUNTIFS. The syntax for COUNTIFS is: COUNTIFS(criteria_range1, criteria1, [criteria_range2, criteria2],…)

Use the Block or Allow settings to help control unwanted and unsolicited email messages by creating and managing lists of email addresses and domains that you trust and those that you don’t. This article is for Outlook Web App, which is used by organizations that manage email servers running Exchange Server 2013 or 2010.

Know your limits Many email service providers set limits for the number of names that can be included in the To, Cc, and Bcc boxes in a message. For example, your email service provider may limit each message to a maximum of 100 email addresses. If these addresses are distributed among the To, Cc, and Bcc boxes, remember that the names in the Bcc box will count toward your total limit.

注意: 如果知道密码，但只想更改密码，请转到“account.microsoft.com 安全”选项卡，然后选择“更改我的密码”。. 如果知道用户名和密码但已停止工作，请阅读我的用户名和密码已停止工作。

Tip: If you can’t see all of the text, click and drag one of the control handles until you can read it all. The size of the control and its distance from the text can’t be edited. Formatting a control. After you insert a check box or option button, you might want to make sure that it works the way you want it to. For example, you might want ...

了解如何修复错误“抱歉，您的 Microsoft 帐户出现问题”，以便可以登录 Xbox 网络。

お使いのメール プロバイダーでパスワードを変更する. いくつかの主要なメール プロバイダーのメール アカウント のパスワードを変更する手順については、次のセクションを参照してください。

Using clipboard. When you copy content on your PC, it’s automatically copied to your clipboard for you to paste. Not only can you paste multiple items from your clipboard history, but you can also pin the items you tend to use all the time and sync your clipboard history to the cloud.

Can't find or install an app; Can't push an app or game to a device; Fix problems with apps; Can't find Microsoft Store app in Windows; Microsoft Store app doesn't open “Unable to Complete this transaction” error

Este solucionador de problemas ayuda a los clientes cuyos equipos aún no se han actualizado a la versión más reciente (1607) de Windows 10. Esta actualización se lanzará en un primer momento solo para un pequeño conjunto de clientes. Este conjunto se irá ampliando con el tiempo. Los usuarios de Windows pueden iniciar el asistente desde este artículo.