Find out how to access OneDrive settings and pause features with the OneDrive Activity Center. Learn how to customize your cloud storage and file sharing preferences.

Hotmail 現在為 Outlook.com。 瞭解如何登入以存取您的 Outlook.com、Hotmail、Live 或 MSN 電子郵件帳戶。 若要在 Outlook.com 中取得支援，請按一下這裡或選取功能表列上的 [說明]，然後輸入您的查詢。如果自助無法解決問題，請向下捲動至 [仍然需要協助嗎?

Before you begin filling out the form. The steps below will help guide you when filling out the account recovery form. It can be a lengthy process as it's designed to ask questions about your account that only you can answer.

Describes how to investigate items in an Outlook Data File (.pst) and troubleshoot search issues.

If you want to invite someone to a meeting you haven't organized, you can forward the meeting to them. When the recipient receives the meeting request, it appears to come from the meeting organizer and the meeting organizer receives notification that you forwarded the meeting.

在 Teams 中共享 OneDrive 中的文件 将文件上传到 Teams 时，可以随时与其他人员和组共享该文件。 若要在 Teams 桌面版中共享文件，请执行以下操作： 在 Teams 中选择 “OneDrive ”，然后转到 “我的文件 ”。

Digital signatures provide assurances about the validity and authenticity of digital documents.

Get productive quickly with Microsoft 365 videos and tutorials. Explore Microsoft 365 training guides and tips to collaborate with anyone, anywhere.

Contact groups, or distribution lists, are a fast way to send a message to multiple email recipients, especially groups you repeatedly contact.

如何在 Excel 中使用 IFERROR 函数捕获和处理公式中的错误。 如果 value 是数组公式，则 IFERROR 为值中指定的区域中的每个单元格返回结果数组。