Product activation for Windows – online & support telephone numbers
To activate Windows 11 using an internet connection: As Windows 11 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > System > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows.. To activate Windows 11 by phone:
Kirjautuminen sisään tai ulos Outlook.comissa - Microsoft-tuki
Kokeile näitä ratkaisuja, jos et voi kirjautua Outlook.com-, Hotmail-, Live- tai MSN-sähköpostitiliisi tai jos et ole varma, miten kirjaudut sisään tai ulos.
适用于:
Outlook.com
Mettez à jour Windows - Support Microsoft
Découvrez comment obtenir les dernières mises Windows jour pour assurer le bon fonctionnement et la sécurité de votre appareil.
Help with Microsoft Store purchases - Microsoft Support
Country/region. Microsoft Store sales support. Technical or download support. Egypt +20 2 353 3333. Technical support. South Africa. 0800 167 344. Technical support
适用于:
Microsoft 帐户仪表板
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 ...
适用于:
Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016
Send, view, and reply to encrypted messages in Outlook for PC
A message that is encrypted by Microsoft 365 Message Encryption is delivered to a recipient’s inbox just like any other email message. If the recipient has Outlook 2016 and a Microsoft 365 email account, they'll see an alert about the item's restricted permissions in the Reading pane.
适用于:
Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016
Beheben von OneDrive Synchronisierungsproblemen - Microsoft-Support
Kontaktieren Sie den Support Hilfe zu Ihrem Microsoft-Konto und Ihren Abonnements finden Sie unter Konto & Abrechnungshilfe.. Für technischen Support wechseln Sie zu Microsoft-Support kontaktieren, geben Sie Ihr Problem ein, und wählen Sie Hilfe erhalten aus. Wenn Sie weitere Hilfe benötigen, wählen Sie Support kontaktieren aus, um zur besten Supportoption geroutet zu werden.
适用于:
OneDrive for Business, SharePoint Server 订阅版, SharePoint Server 2019, SharePoint Server 2016, SharePoint Server 2013 企业版, Microsoft 365 中的 SharePoint, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, OneDrive (工作或学校), OneDrive (家庭或个人), 由世纪互联运营的 OneDrive (工作或学校), OneDrive for Mac, Windows 版 OneDrive, SharePoint 管理中心, Microsoft 365 小型企业版中的 SharePoint
Download and install custom fonts to use with Office
Learn how to locate, install, and share files with custom fonts compatible with Microsoft Office applications.
适用于:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Office 2016
PIN を変更またはリセットする - Microsoft サポート
PIN を忘れてリセットする必要がある場合は、Windows サインイン画面からリセットできます。 [PIN] テキスト ボックスの下を確認します。 PIN を忘れた場合は 、 を選択し、指示に従って PIN をリセットします。 デバイスに複数のアカウントがある場合は、リセットする必要があるアカウントを選択 ...
How to open Microsoft Store on Windows - Microsoft Support
Learn how to access Microsoft Store on Windows by selecting the icon on the taskbar or using the search box.
适用于:
Microsoft 帐户仪表板