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.
获取有关你的 Microsoft 帐户的帮助 - Microsoft 支持
关闭定期计费. 退款帮助. 调查计费的费用. BitLocker 帮助. 查找 Windows 和 Office 的产品密钥. 有关工作或学校帐户密码的帮助. 我需要与客户支持代理联系. 了解如何获取 Microsoft 帐户帮助、解决登录问题、确保帐户安全以及管理 Microsoft 帐户仪表板。.
Applies To: Microsoft account dashboard
Use the System File Checker tool to repair missing or corrupted system ...
Swipe in from the right edge of the screen, and then tap Search.Or, if you are using a mouse, point to the lower-right corner of the screen, and then click Search.Type Command Prompt in the Search box, right-click Command Prompt, and then click Run as administrator.If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
電子メールをバックアップする - Microsoft サポート
バックアップするメール フォルダーを選んで、 [ 次へ] をクリックします。. バックアップ ファイルの名前と場所を選んで、 [ 完了] をクリックします。. ファイルにだれもアクセスできないようにしたい場合は、パスワードの入力と確認入力を行ってから ...
Applies To: Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
How to check if your device meets Windows 11 system requirements after ...
This article applies if you’ve recently made changes to your device hardware and are trying to upgrade to Windows 11. Hardware changes might affect your upgrade eligibility, though you’ll need to take a few steps to see your updated eligibility in Settings.
Fix Bluetooth problems in Windows - Microsoft Support
Here’s how: Check in quick settings: Select the Network, Sound, or Battery icons ( ) on the right side of the taskbar, look for the Bluetooth quick setting, then select Bluetooth to turn it on. You’ll see “Not connected” if your Windows 11 device isn’t connected to any Bluetooth accessories. Check in Settings: Select Start > Settings ...
2022 年 6 月 23 日 — KB5014669 (OS ビルド 17763.3113) プレビュー
2022 年 6 月 23 日 — KB5014669 (OS ビルド 17763.3113) プレビュー. Win 10 Ent LTSC 2019 Win 10 IoT Ent LTSC 2019 その他... リリース日: 2022/06/23. バージョン: OS ビルド 17763.3113. 11/17/20. Windows Update の用語については、Windows 更新 プログラムの種類と毎月の品質更新プログラムの ...
SUMPRODUCT 函数 - Microsoft 支持
此处的公式为:=SUMPRODUCT ( (B2:B9=B12) * (C2:C9=C12) *D2:D9) 。 它首先将 East 的出现次数乘以匹配的樱桃出现次数。 最后,它会对 Sales 列中相应行的值求和。 若要查看 Excel 如何计算此公式,请选择公式单元格,然后转到 公式 > 计算公式 > 计算。 需要更多帮助吗?
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
Look up values with VLOOKUP, INDEX, or MATCH - Microsoft Support
=VLOOKUP(B2,C2:E7,3,TRUE) In this example, B2 is the first argument—an element of data that the function needs to work. For VLOOKUP, this first argument is the value that you want to find. This argument can be a cell reference, or a fixed value such as "smith" or 21,000. The second argument is the range of cells, C2-:E7, in which to search ...
Applies To: Excel for Microsoft 365, Excel for the web, Excel 2021, Excel 2019, Excel 2016
Edit your passwords in Microsoft Edge - Microsoft Support
Go to Settings and more > Settings > Profiles > Passwords . Next to the password you want to change, select More actions , and then select Edit. When prompted, authenticate yourself to the operating system to get access to the password information. After you successfully authenticate yourself, in the Edit password dialog, update your password ...
在 Windows 中使用 OneDrive 同步處理檔案 - Microsoft 支援服務
使用 OneDrive,您可以在您的電腦與雲端之間同步檔案,因此您可以隨時隨地取得檔案您的電腦,從您的電腦、行動裝置,甚至是透過位於 OneDrive.com 的 OneDrive 網站皆可。. 如果您在 OneDrive 資料夾中新增、變更或刪除檔案或資料夾,該檔案或資料夾也會在您的 ...
Applies To: OneDrive for Business, SharePoint Server Subscription Edition, SharePoint Server 2019, SharePoint in Microsoft 365, Office for business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, OneDrive (work or school), Office.com, OneDrive (home or personal), OneDrive (work or school) operated by 21Vianet, OneDrive for Windows, SharePoint admin center, SharePoint in Microsoft 365 Small Business, SharePoint operated by 21Vianet