Learn how to identify and open encrypted and protected emails no matter what email client you're using.

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To learn about digital signatures (also known as digital ID), what they can be used for, and how to use them in Word, Excel, and PowerPoint, see All about digital signatures. Create a signature line in Word or Excel (desktop) In the document or worksheet, place your pointer where you want to create a signature line. On the Insert tab, select Add a Signature Line in the Text group. In the ...

請注意，Xbox 有各種隱私權和線上安全設定，您可以針對整個家庭進行管理。 如需深入了解，請參閱： 為什麼我無法變更隱私權設定？ 您隨時都可以舉報冒犯性訊息。 若要深入了解如何舉報 Xbox 訊息，請參閱： 舉報事件的價值 有關讓 Xbox 網路保持安全與友好環境的更多資訊，請參閱： Xbox 的社群 ...

摘要 Email 簽名能在你的商業溝通中建立專業一致性，並確保收件人在每則訊息中都擁有你的聯絡資訊。 在Outlook中，你可以為不同用途設定多個簽名 (內部與外部、個人與商務) ，並選擇是否自動包含在新郵件、回覆或轉寄中。 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 ...

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A phishing email is an email that appears legitimate but is actually an attempt to get your personal information or steal your money. Some deceptive emails appear to be from a safe sender but, in fact, have a "spoofed" source address to fool you. Here are some ways to deal with phishing and spoofing scams in Outlook.com. Spoof intelligence in Exchange Online Protection helps prevent phishing ...

A contact list is a collection of email addresses and is useful for sending email to a group of people. If you want more robust functionality with your contact list, consider creating a Group in Outlook. Check out Learn about Groups in Outlook to see how you can share an inbox, calendar, and files. Select a tab option below for the version of Outlook you're using. What version of Outlook do I ...

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