Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.
Find your Windows product key - Microsoft Support
Generally, if you bought a physical copy of Windows, the product key should be on a label or card inside the box that Windows came in. If Windows came preinstalled on your PC, the product key should appear on a sticker on your device. If you’ve lost or can’t find the product key, contact the manufacturer. To ensure your product key is ...
Applies To: Microsoft account dashboard
Remove malware from your Windows PC - Microsoft Support
Open your Windows Security settings. Select Virus & threat protection > Protection history. The Microsoft Defender Offline scan will automatically detect and remove or quarantine malware. Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.
Applies To: OneDrive (home or personal), OneDrive for Windows
VLOOKUP 函数 - Microsoft 支持
只要其中一个表具有与所有其他表共有的字段,就可以使用 VLOOKUP 将多个表合并为一个表。 如果需要与使用较旧版本的 Excel 的人共享工作簿,且旧版本不支持将多个表作为数据源的数据功能,这会特别有用 - 通过将源合并到一个表中并将数据功能的数据源更改为新表,则该数据功能可在较旧版本的 ...
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
2024 年 3 月 12 日 — KB5035853 (OS 内部版本 22621.3296 和 22631.3296)
2024/3/12. 版本: OS 内部版本 22621.3296 和 22631.3296. 24/2/27. 重要说明:Windows 11版本 22H2 的非安全更新终止日期. Windows 11版本 22H2 Enterprise、教育版、IoT 企业版和企业多会话版的新结束日期为 2025 年 6 月 24 日。. 家庭版、专业版、专业教育版和 Pro for Workstations 版本 22H2 ...
Comment se connecter à Hotmail - Support Microsoft
Remarques : Votre mot de passe Hotmail ou Outlook.com est le même que celui de votre compte Microsoft. Si vous pouvez vous connecter mais que vous rencontrez des problèmes avec Outlook.com, vérifiez l’état du service.Si l’état n’est pas vert, patientez jusqu’à ce que le service fonctionne normalement et essayez de vous reconnecter.
Applies To: Outlook.com
Outlook 2016 安全更新说明: 2023 年 3 月 14 日 (KB5002254)
摘要. 此安全更新解决了 Microsoft Outlook 特权提升漏洞。. 要了解有关此漏洞的详细信息,请参阅 Microsoft 公共漏洞和暴露 CVE-2023-23397 。. 注意: 若要应用此安全更新,必须在计算机上安装 Microsoft Office 2016 发行版。. 请注意,Microsoft 下载中心的更新适用于基于 ...
Update drivers manually in Windows - Microsoft Support
In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...
View and delete browser history in Microsoft Edge
Types of info. What will be deleted. Where it's stored. Browsing history. The URLs of sites you've visited, and the dates and times of each visit. On your device (or, if sync is turned on, across your synced devices)
Create a drop-down list - Microsoft Support
Select the cell in the worksheet where you want the drop-down list. Go to the Data tab on the Ribbon, and then Data Validation. Note: If you can’t select Data Validation, the worksheet might be protected or shared. Unlock specific areas of a protected workbook or stop sharing the worksheet, and then try step 3 again.
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
查看你的 Microsoft Store 订单历史记录 - Microsoft 支持
查看你的 Microsoft Store 订单历史记录. 若要查看应用、游戏或订阅购买、跟踪订单或查看和打印发票,请登录到Microsoft 帐户仪表板上的订单历史记录页。. 请确保使用购买时所用的帐户进行登录。. 如果在创建订单时未登录并使用来宾签出,请改用 来宾订单查找 ...
Applies To: Microsoft account dashboard