This article applies to Office Home & Business, Office Professional, and individually purchased Office apps. To switch an Office install to or from Microsoft 365, see Switch your Office license.. Change the product key for your version

Roaming of the work account's device certificate is not supported. The certificate, issued by "MS-Organization-Access", is stored in the Personal (MY) certificate store of the current user and on the local machine.

If you get an email from Microsoft account team and the email address domain is @accountprotection.microsoft.com, it is safe to trust the message and open it.. Microsoft uses this domain to send email notifications about your Microsoft account.

A delivery receipt confirms delivery of your email message to the recipient's mailbox, but not that the recipient has seen it or read it. A read receipt confirms that your message was opened.

Important: If you turn on two-step verification, you will always need two forms of identification.This means that if you forget your password, you need two contact methods. Or if you lose your contact method, your password alone won't get you back into your account—and it can take you 30 days to regain access.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Learn how to manage extensions in Microsoft Edge, including adding, disabling, or removing them as needed.

You can change your name on the Account Settings screen. To change the name that displays when you send email, update the Your name field. Unless you specifically need to change any of the other fields, you can leave the default values in place.

如果你经过尝试发现无法登录到帐户，则其他人可能更改了你的密码。 请按照以下步骤登陆回你的帐户： 尝试按照当你无法登录你的 Microsoft 帐户时中列出的说明重置你的密码。 如果你无意中登陆了另一个账户，而不是警报所报告的帐户，那么从此步骤开始可以省去额外的工夫。

Automatically add a signature to a message. You can create an email signature that you can add automatically to all outgoing messages or add manually to specific ones.