Learn more. Fix problems with apps from Microsoft Store. Manage your purchases from the Microsoft Store. Need more help? Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help.If you still need help, select Contact Support to be routed to the best support option.

Argument. Description. start_date . Required. A date that represents the first, or starting date of a given period. Dates may be entered as text strings within quotation marks (for example, "2001/1/30"), as serial numbers (for example, 36921, which represents January 30, 2001, if you're using the 1900 date system), or as the results of other formulas or functions (for example, DATEVALUE("2001 ...

Training: Microsoft Teams is a collaboration app built for hybrid work to help you and your team stay informed, organized, and connected. Learn how in this video.

To change notification settings for individual senders, under Get notifications from these senders, turn a notification sender either on or off—or select a sender's name and then turn on or turn off notification banners, lock screen privacy, turn notification sounds on or off, and set the priority of notifications.

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.

セキュリティ メモ: Outlook データ ファイル (.pst) パスワードは、意図的に悪意を持って情報にアクセスしようとする場合に対するセキュリティを提供するものではありません。 データへのアクセスを制限するさらに効果的な方法は、コンピューターを使うすべてのユーザーに対してパスワードで ...

Learn how to download, customize, and troubleshoot Windows Media Player 12 with helpful guides and tips.

If you trust a file, file type, folder, or a process that Windows Security has detected as malicious, you can stop Windows Security from alerting you or blocking the program by adding the file to the exclusions list.

If you don’t want to use the proxy server when you visit certain websites, enter the ending of the website address in the exception list (for example, *.contoso.com). For multiple websites, type each website address and separate the addresses with a semicolon (for example: *.contoso.com; *.adatum.com).The * is a wildcard so any website addresses that end with the website address listed will ...

向量形式. LOOKUP 的向量形式在单行区域或单列区域（称为“向量”）中查找值，然后返回第二个单行区域或单列区域中相同位置的值。. 语法. LOOKUP(lookup_value, lookup_vector, [result_vector]) LOOKUP 函数向量形式语法具有以下参数：. lookup_value 必需。LOOKUP 在第一个向量中搜索的值。