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Use Microsoft Teams on the web - Microsoft Support
Find Teams on the web at https://teams.microsoft.com.. To use Teams, you need a Microsoft 365 account with a Business or Enterprise Microsoft 365 license plan. For more information, see How do I get access to Microsoft Teams?. For information about supported browsers for Teams on the web, see Web clients for Microsoft Teams.
Applies To: Microsoft Teams
How to check if your email address is a Microsoft account
If you don't have a Microsoft account, or you want to create a new one, you can follow these steps: Go to the Microsoft account sign-up page and click on Create account. Enter your preferred email address, or click on Get a new email address to get a new one from Microsoft. You can choose from @outlook.com or @hotmail.com domains.
Applies To: Microsoft account dashboard
SUMIF function - Microsoft Support
sum_range Optional.The actual cells to add, if you want to add cells other than those specified in the range argument. If the sum_range argument is omitted, Excel adds the cells that are specified in the range argument (the same cells to which the criteria is applied).. Sum_range should be the same size and shape as range.If it isn't, performance may suffer, and the formula will sum a range of ...
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Contact Us - Microsoft Support
Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.
Microsoft アカウントのメール アドレスまたは電話番号を変更する
Microsoft アカウントに関連付けられているメール アドレスと電話番号は エイリアスと呼ばれ、同じ連絡先、オンライン ストレージ、サブスクリプション、アカウント設定を使用します。
Applies To: Microsoft account dashboard
Windows セキュリティによる保護を利用します - Microsoft サポート
Windows 10 と Windows 11には、最新のウイルス対策の保護を提供する Windows セキュリティが含まれています。 お使いのデバイスは、Windows を起動した瞬間からアクティブに保護されます。
الاستعداد لترقية Windows 11 - دعم Microsoft
تعرّف على كيفية الاستعداد لترقية Windows 11 بدءاً من التأكد من قدرة جهازك على تشغيل Windows 11 وصولاً إلى نسخ ملفاتك احتياطياً وتثبيت Windows 11.
XLOOKUP function - Microsoft Support
Use the XLOOKUP function when you need to find things in a table or a range by row. For example, look up the price of an automotive part by the part number, or find an employee name based on their employee ID. With XLOOKUP, you can look in one column for a search term, and return a result from the same row in another column, regardless of which side the return column is on.
Applies To: Excel for Microsoft 365, Excel for Microsoft 365 for Mac, Excel for the web, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2016, Excel for iPad, Excel for iPhone, Excel for Android tablets, Excel for Android phones
Join a Teams meeting - Microsoft Support
Join a Teams meeting on the web. Don't have the Teams app? You can still join a Teams meeting. In your email invite, select Join the meeting now.. You can also use a dial-in number and conference ID from the email to call in.
Applies To: Microsoft Teams
準備進行 Windows 11 升級 - Microsoft 支援服務
安裝 Windows 11. 當 Windows 11 升級已針對您的特定電腦進行測試並驗證之後,Windows Update 會指出它已準備好安裝。 若要檢查 Windows 11 是否已準備好安裝到您的裝置,請前往 [啟動] > [設定] > [更新與安全性] > Windows Update ,然後選取 [檢查更新]。 如果您的裝置可以升級,而您想要繼續進行,請下載並安裝它。