Windows 장치에 최신 업데이트가 있는지 확인하십시오. 시작 버튼 을 누른 다음 설정을 선택합니다. 업데이트 및 보안(Windows 11의 경우 Windows 업데이트)으로 이동한 다음 업데이트 확인을 선택합니다.; Game Bar 설정을 확인합니다. 시작 버튼 을 누른 다음 설정을 선택합니다.

Can't sign in. If you can't sign in to your Microsoft account, use our sign-in helper tool below to guide you to the correct solution. Start

Tip: If you believe someone has acquired your payment info, contact your bank or your payment provider to prevent more charges. Tell them your credit card has been stolen or compromised - If you only dispute the charges, there's nothing to prevent the fraudulent charges from happening again.

Track your points and earn while gaming or shopping by downloading the Microsoft Rewards app to your Xbox console: Press the Xbox button to open the guide, and then go to Store.; Select Search, and then enter Microsoft Rewards into the search box.; Choose the Microsoft Rewards app from the results, and then download it to your console.

If you’re still having problems, go to Solution 4.. Solution 3: Force shutdown. Select Start > Power > Shut down and wait a moment for your Surface to shut down. Then press and hold the power button for 20 seconds. If you see the logo screen appear after a few seconds, continue to hold for the full 20 seconds until you see the logo screen again.

输入 Excel 函数. 如果创建带函数的公式，则使用“插入函数”对话框将有助于您输入工作表函数。从“ 插入 函数”对话框中选择函数后，Excel 将启动一个函数向导，该向导显示函数的名称、其每个参数、函数和每个参数的说明、函数的当前结果以及整个公式的当前结果。

In the upper left corner of the window, select the app launcher > All apps > SharePoint Tip: If you don't see the SharePoint app under All apps, use the Search box near the top of the window to search for SharePoint.

If you get an email about unusual activity on your Microsoft account, or if you’re worried that someone else might have used your account, go to the Recent activity page.You’ll see when your Microsoft account was signed in during the last 30 days, along with any device or app-specific info.

To be able to send bulk email via mail merge, you must already have installed a MAPI-compatible email program such as Outlook or Gmail. The following process assumes that you already have the message you intend to send created and open in Microsoft Word.

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],…)