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.
Connectez-vous à SharePoint - Support Microsoft
Formation : Prise en main de SharePoint dans Microsoft 365. À office.com, connectez-vous à SharePoint, puis sélectionnez la vignette SharePoint.
Applies To: SharePoint in Microsoft 365
Aggiornare manualmente i driver in Windows - Supporto tecnico Microsoft
Scopri come aggiornare i driver in Windows usando Gestione dispositivi per aggiornare o reinstallare un driver.
修正 Windows 中的藍牙問題 - Microsoft 支援服務
如果這些步驟都沒有修正您的藍牙問題,請使用 Windows 意見反應中樞提報錯誤。 這可協助 Microsoft 判斷問題的根本原因。
Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
管理 Microsoft 365 订阅或 Office 产品 - Microsoft 支持
注意: 通过员工Microsoft工作区折扣计划购买的某些产品(以前称为家用许可计划) 权益或批量许可证版本 (由组织的 IT 部门管理,) 可能不需要帐户。 以下信息不适用于这些 Office 版本或 Microsoft 365 订阅。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, Outlook for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, OneNote for Microsoft 365 for Mac, Word for the web, OneNote for the web, PowerPoint for the web, Excel 2021, Word 2021, Outlook 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, Word 2021 for Mac, Outlook 2021 for Mac, OneNote 2021 for Mac, Office 2021 for Mac, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2019 for Mac, Word 2019 for Mac, Outlook 2019 for Mac, PowerPoint 2019 for Mac, OneNote 2019 for Mac, Office 2019 for Mac, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016, Office 2016, Microsoft 365 admin, Outlook on the web, Word Web App, Microsoft account dashboard, New Outlook for Windows
Microsoft Edge 更新设置 - Microsoft 支持
默认情况下,重新启动浏览器时,Microsoft Edge 会自动更新。 但是,有两种情况可能需要手动下载更新: 按流量计费的连接(无论是手机网络、WLAN 还是以太网)都有关联的数据限制。
Third party cookie inventory - Microsoft Support
Find out which third parties set cookies on Microsoft websites and how they help us provide better services and protect your privacy.
Résoudre les problèmes de mise à jour de Windows
Découvrez comment résoudre les problèmes liés aux mises à jour de Windows. Trouvez des réponses aux questions et problèmes courants lors de l’installation Windows mises à jour.
在纸张的两面上打印(双面打印) - Microsoft 支持
纸张两侧的打印称为双面打印。 大多数打印机都提供自动打印纸张两面的选项, (自动双面打印) 。 其他打印机提供相关说明,以便可以手动重新插入纸张以打印另一面(手动双面打印)。
Applies To: Word for Microsoft 365, Word 2021, Word 2019, Word 2016, Word 2013
SUMIF 函数 - Microsoft 支持
提示: 如果需要,可将条件应用于一个区域并对其他区域中的对应值求和。 例如,公式 =SUMIF(B2:B5, "John", C2:C5) 只对区域 C2:C5 中在区域 B2:B5 中所对应的单元格等于“John”的值求和。. 若要根据多个条件对若干单元格求和,请参阅 SUMIFS 函数。
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