Important: If your device is out of support, it is no longer receiving security updates from Microsoft and may become more vulnerable to security risks and viruses.Therefore, we strongly recommend that you update to the latest version of Windows. Each version of Windows is supported for 18 months.

Important: If you originally installed the Excel add-in from a network file server or from a shared folder, you might need to remove the add-in from that location.If you installed the Excel add-in from a CD and you mapped your CD drive to a new drive letter after installing the add-in, you need to reinstall the add-in from the CD.

Note: Microsoft is updating the way we ask for permission to use your voice data to improve Microsoft products that use our speech recognition technology.This may impact the data you see on your privacy dashboard. To learn more about these changes, see How does Microsoft protect my privacy while improving its speech recognition technology?

WordArt is a quick way to make text stand out with special effects. You begin by picking a WordArt style from the WordArt gallery on the Insert tab, and then customize the text as you wish.

Step 1: Clear your PC of viruses or malware before you change your password. If you have a good antivirus program installed, make sure it's up to date and then do a full scan of your system.

Send in your Surface. If none of the previous solutions have resolved your issue, you can send in your Surface. If you decide to send it in, go to Device service and repair and sign in with your Microsoft account. If your device is already registered, select it and follow the instructions.

For all Surface models Before you start, make sure you don’t have any other USB devices connected to your Surface, including USB mouse devices, keyboards, or other storage drives.

選取新增的參與者名稱，然後選擇是否要包含多少聊天記錄。 選取 [新增]。. 接著您會看到那些加入群組聊天的人。 如果目前沒有與某個人員相符的名稱， (找不到) 結果，請選擇外部 搜尋 [人員的電子郵件位址] 來傳送聊天邀請給他們。

Change your document's header or footer text, remove the first page header or footer, add page numbers, images, or change colors and fonts on headers and footers.

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。