Support for Windows 10, Office 2016 and Office 2019 has ended on October 14, 2025. Learn more about your options for Windows 10 or for Office.

Find out what to do when you receive a “Call us overprotective” message when signing in to Xbox.com.

Xbox Support 提供 Xbox、Game Pass 及帳單問題的協助，並在社群中取得建議與客戶服務。

連絡 Microsoft 支援服務。尋找常見問題的解決方案，或向支援專員尋求協助。

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

Sign-in optionsUsage Guidelines URL: Privacy Policy URL: ...

Contact Microsoft Support. Find solutions to common problems, or get help from a support agent.

Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

使用 人員 應用程式來組織、新增、建立、檢視及編輯聯繫人。 移至 人員 應用程式 若要存取應用程式，請移至在 Teams 左側 檢視更多應用程式 。 搜尋「人員」，或從預安裝的應用程式清單中選取它。 以滑鼠右鍵按兩下 [人員]，然後選取 [釘選]，將它釘選到左側瀏覽窗格。 連絡人類型 有兩種類型 ...

在Outlook中，你可以為電子郵件建立一個或多個個人化簽名。 你的簽名可以包含文字、連結、圖片和圖片 (，例如你的手寫簽名或標誌) 。