Important: You don't need to remove old security information unless there is an account security risk (e.g. someone else has access to your old mailbox). If you do need to replace your security information, make sure you add new information first. If you request removal of all security information in your account, the account is put into a restricted state for 30-days. Your information doesn't ...

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 ...

If you're troubleshooting Office and would like to remove the license files on your Mac, you can use the license removal tool. This will completely remove all licenses for Microsoft 365 for Mac.

Learn how to recover a hacked or compromised account, what to do next, and how to prevent your account from being compromised in the future.

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Learn how to sync your Google, Yahoo, iCloud, and IMAP mail, contacts, and calendar to the Microsoft Cloud.

Join the meeting before it starts to test your setup from the pre-join screen. From there, you can enter the meeting up to 15 minutes before its start time to troubleshoot or see how Teams works. Meeting participants and organizers will be notified when you enter the meeting. To join a Teams meeting without signing into an account: Open the meeting invite and select the link next to Join or ...

In Microsoft Teams Free, you can start an instant meeting in no time! Easily reach out to your contacts, whether you're in a spontaneous mood or require a last-minute meeting. Do you want to create a meeting, but don't have an account for Microsoft Teams Free? Sign up now.

Whenever your access is challenged, Teams will show you a sign-in banner and request that you Sign in to re-authenticate and regain access.

準備好安裝 Microsoft 365或 Office 2024了嗎？ 開始之前，請確保您的 PC 或 Mac 符合 系統需求。 如果您已兌換產品金鑰、重新安裝應用程式，或您已透過公司或學校指派授權，您可以略過並移至「登入」區段 ，以下載並安裝 Microsoft 365 或 Office。 不過，如果這是您 第一次 安裝 Microsoft 365或 Office，您可能 ...