Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted. Smart App Control also helps to block potentially unwanted apps, which are apps that may cause your device to run slowly, display unexpected ads, offer extra software you didn't want, or do other things you don't expect.

对于经典 Outlook，如果要更改邮件列表的显示方式，可以使用以下选项： 更改邮件列表的视图以显示列. 若要添加和删除列，必须使用 列表视图。 “收件箱”的默认视图为 “压缩”，显示按对话分组的邮件。. 将视图切换到列表视图：

IMAP et POP sont deux méthodes pour accéder à la messagerie. IMAP est la méthode recommandée lorsque vous devez case activée vos e-mails à partir de plusieurs appareils différents, tels qu’un téléphone, un ordinateur portable et une tablette.

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Tip: If you're a Microsoft 365 Family or Personal subscriber you get Microsoft Defender, our advanced security software for Windows, Mac, iOS, and Android, as part of your subscription.Learn more at Getting started with Microsoft Defender.

To check activation status in Windows 11, select the Start button, and then select Settings > System and then select Activation .. Your activation status will be listed next to Activation.. Check activation status in Settings. You'll see one of these activation status messages on the Activation page:

POP3 (Post Office Protocol) POP3 is an older protocol that was originally designed to be used on only one computer. Unlike modern protocols that use two-way synchronization, POP3 only supports one-way email synchronization, only allowing users to download emails from a server to a client.

Notes: If you can't use your camera to scan a QR Code, click Can't scan the image on your PC and tap Enter code manually on your mobile.. If you are allowed by your admin to use phone sign-in using Authenticator, you'll be able to go through device registration to get set up for passwordless phone sign-in and Azure AD Multi-Factor Authentication.

In addition to the above, customers also have the option to utilize Microsoft 365 Backup for data recovery. Microsoft 365 Backup offers a longer protection time and provides uniquely fast recovery from common business continuity and disaster recovery (BCDR) scenarios like ransomware or accidental/malicious employee content overwrite/deletion.

不確定您目前執行的是哪個版本，請參閱我使用的是哪個版本的 Outlook？. Windows 版傳統版 Outlook. 如果您的帳戶在新 Windows 版 Outlook 中受到支援，您會在傳統 Outlook 的右上角看到一個切換開關，可 嘗試使用新的 Outlook。 選取此切換開關將會下載新的應用程式，並讓您切換到預覽。