Downloading files from the internet can expose your computer to malware and other security threats. Follow these tips to stay safe: Download from trusted sources: Only download files from reputable websites and sources.. Use Microsoft Defender SmartScreen: In Settings > Security, turn on Microsoft Defender SmartScreen to help identify and block malicious downloads.

The COUNT function counts the number of cells that contain numbers, and counts numbers within the list of arguments. Use the COUNT function to get the number of entries in a number field that is in a range or array of numbers. For example, you can enter the following formula to count the numbers in the range A1:A20: =COUNT(A1:A20).In this example, if five of the cells in the range contain ...

The following instructions show how to create an Enterprise wiki as a subsite. On the site where you want to create an Enterprise wiki, click Settings and then click Site contents.. On the Site Contents page, click New+, and then Subsite, or click new subsite.. On the New SharePoint Site page, type a Title and a URL name for the site.. In the Template Selection section, click Publishing, and ...

Stay connected to friends across your social networks while gaming on a Windows device. Link your favorites such as Discord, Reddit, Steam, Twitch, and more.

社群可協助您詢問並回答問題、提供意見反應，以及聆聽來自具有豐富知識的專家意見。 在 Microsoft 社群中提出問題 Microsoft 技術社群

Microsoft Teams (免费版) 入门。 浏览选项、了解新增功能、浏览帮助主题等。

家庭成员和组织者可通过多种不同的方式离开或从Microsoft家庭组 中删除，具体取决于其角色。. 在离开之前，家庭成员和组织者 应删除他们不想留在组中的 已保存地点和位置警报 。 个人必须先删除其设置的位置警报，然后才能删除保存的地点。

Select the PivotTable report. On the Options tab, in the Data group, select Change Data Source, and then select Change Data Source.. The Change PivotTable Data source dialog box is displayed.. Do one of the following: To use a different Excel table or cell range, click Select a table or range, and then enter the first cell in the Table/Range text box.

Add names to a contact group (distribution list). Use a contact group (formerly called a “distribution list”) to send an email to multiple people—a project team, a committee, or even just a group of friends—without having to add each name each time you want to send them an email message.

Microsoft 支援服務在此協助您處理 Microsoft 產品。 尋找適用於 Microsoft Copilot、Microsoft 365、Windows、Surface 等的使用方法文章、影片和訓練。