I can't sign in to my Microsoft account - Microsoft Support
If you can't sign into your Microsoft account, most issues can be identified by our sign-in helper tool. The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide.
Applies To: Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Microsoft 365 for home, Outlook.com, GroupMe, Microsoft account dashboard, Microsoft Teams, Microsoft Teams personal, Microsoft To Do, OneDrive (home or personal), OneDrive for Mac, OneDrive for Windows, Outlook for Android, Outlook for iOS
تنزيل Microsoft 365 أو Office 2021 وتثبيته أو إعادة تثبيته على جهاز ...
هل أنت جاهز لتثبيت البرنامج؟ قبل البدء، تأكد من أن الكمبيوتر الشخصي أو جهاز Mac يلبي متطلبات النظام.. إذا قمت بالفعل باسترداد مفتاح منتج، فأنت ببساطة تعيد تثبيت التطبيقات، أو تعلم أن لديك ترخيصا معينا من خلال العمل أو ...
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
Fix File Explorer if it won't open or start - Microsoft Support
Learn how to troubleshoot File Explorer problems in Windows. To open File Explorer in Windows 10, select its icon on the taskbar, press the Windows logo key + E on your keyboard, or select Start > Documents (directly beneath your user icon).. Here are some things to try if File Explorer won't open.
Form controls - Microsoft Support
In the Cell link box, enter a cell reference that contains the current state of the option button.. The linked cell returns the number of the selected option button in the group of options. Use the same linked cell for all options in a group.
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Account help
Microsoft account help and support. Get help with signing in, locked or compromised accounts, linked accounts, closing, reopening, and updating your security info and account profile.
在 Windows 中以安全模式启动电脑 - Microsoft 支持
通过使用一组有限的文件和驱动程序,安全模式可使 Windows 在基本状态下启动。 如果在安全模式下没有出现问题,你就会知道默认设置和基本设备驱动程序不是导致此问题的原因。
Windows PC のバックアップ - Microsoft サポート
Windows PC には、最も重要なものの多くをバックアップするのに役立つ、Windows バックアップのワンストップ バックアップ ソリューションが付属しています。
Surface 用のドライバーとファームウェアをダウンロードする - Microsoft サポート
Windows 10、Windows 11、Surface ドライバー、およびファームウェアの自動更新. 準備の手順に続いて、Windows 更新プログラム を参照して、更新プログラムを確認してインストールします。 または、下の [Windows の更新プログラムを確認する] ボタンを選択すると、Windows の更新プログラムを設定で開き ...
Troubleshoot problems with your Microsoft mouse or keyboard
Check the placement of the wireless USB dongle. The wireless USB dongle should be plugged into a USB port that allows for the best reception and minimizes the distance between the wireless USB dongle and the keyboard or mouse.
Create a PivotTable to analyze worksheet data - Microsoft Support
Get from External Data Source. Get from Data Model. Use this option if your workbook contains a Data Model, and you want to create a PivotTable from multiple tables, enhance the PivotTable with custom measures, or are working with very large datasets.. Get from Power BI. Use this option if your organization uses Power BI and you want to discover and connect to endorsed cloud datasets you have ...
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