OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
Troubleshoot problems signing in to Windows - Microsoft Support
Learn how to troubleshoot Windows sign in issues, including problems signing in to your Windows device after upgrading.
Windows keyboard shortcuts - Microsoft Support
Get to know common Windows keyboard shortcuts including copy, cut, paste, maximize a window, and more.
Repair an Office application - Microsoft Support
Repair broken Office app installations. Depends on your Office installation type (Click-to-run or MSI-based), you'll see the following options to proceed with the repair.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, 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 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 小型企业管理员版, 由世纪互联运营的 Office 365 - 管理员版, InfoPath 2013, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版
Sådan logger du på Hotmail - Microsoft Support
Bemærkninger!: Adgangskoden til Hotmail eller Outlook.com er den samme som adgangskoden til din Microsoft-konto. Hvis du kan logge på, men har problemer med Outlook.com, skal du kontrollere tjenestestatussen.Hvis statussen ikke er grøn, skal du vente indtil tjenesten kører normalt og prøve igen.
适用于:
Outlook.com
更改 Office 产品密钥 - Microsoft 支持
注意: 更改产品密钥后，建议创建一个列表，用于管理已安装的产品密钥。有关操作方法，请参阅管理使用相同 Microsoft 帐户的多个一次性购买的 Office 安装。
适用于:
OneNote for Microsoft 365, Visio 计划 2, Microsoft 365 Mac 版专属 OneNote, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2021 for Mac, OneNote 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, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016
撤回或替换已发送的电子邮件 - Microsoft 支持
试一试！ 如果你使用的是 Microsoft Outlook 应用或 Outlook.com，并且你和你的收件人都在 Microsoft Exchange 或 Microsoft 365 上，并且在同一组织中，则可以撤回或替换你发送的电子邮件。
适用于:
Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016
仕分けルールを使ってメール メッセージを管理する - Microsoft ...
Outlook のルールを使用して、メール メッセージをフォルダーに自動的に移動する方法、メッセージにフォローアップのフラグを設定する方法、メッセージに応答する方法、カスタム ルールを作成する方法。
适用于:
Microsoft 365 专属 Outlook, Outlook 2021, Outlook 2019, Outlook 2016
Microsoft 365 Training
Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.
How to create a new Microsoft account - Microsoft Support
A Microsoft account gives you access to Microsoft products and services with just one login.